annotate src/video/SDL_cursor.c @ 1210:8609567ea02f

Bumped windib's priority above DirectX, since both DirectDraw and DirectInput seem to be giving people issues on newer Windows and DX revisions. We'll see if this is just a temporary fix or not... :/ --ryan.
author Ryan C. Gordon <icculus@icculus.org>
date Sun, 01 Jan 2006 23:34:06 +0000
parents 96ef83467667
children f418917e0b7a
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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b8d311d90021 Updated copyright information for 2004 (Happy New Year!)
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3 Copyright (C) 1997-2004 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /* General cursor handling code for SDL */
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29
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30 #include <stdio.h>
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31 #include <stdlib.h>
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32 #include <string.h>
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33
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34 #include "SDL_mutex.h"
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35 #include "SDL_error.h"
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36 #include "SDL_video.h"
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37 #include "SDL_mouse.h"
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38 #include "SDL_blit.h"
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39 #include "SDL_events_c.h"
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40 #include "SDL_sysvideo.h"
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41 #include "SDL_sysevents.h"
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42 #include "SDL_cursor_c.h"
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43 #include "SDL_pixels_c.h"
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44 #include "default_cursor.h"
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45
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46 /* These are static for our cursor handling code */
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47 volatile int SDL_cursorstate = CURSOR_VISIBLE;
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48 SDL_Cursor *SDL_cursor = NULL;
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49 static SDL_Cursor *SDL_defcursor = NULL;
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50 SDL_mutex *SDL_cursorlock = NULL;
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51
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52 /* Public functions */
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53 void SDL_CursorQuit(void)
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54 {
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55 if ( SDL_cursor != NULL ) {
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56 SDL_Cursor *cursor;
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57
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58 SDL_cursorstate &= ~CURSOR_VISIBLE;
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59 if ( SDL_cursor != SDL_defcursor ) {
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60 SDL_FreeCursor(SDL_cursor);
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61 }
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62 SDL_cursor = NULL;
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63 if ( SDL_defcursor != NULL ) {
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64 cursor = SDL_defcursor;
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65 SDL_defcursor = NULL;
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66 SDL_FreeCursor(cursor);
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67 }
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68 }
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69 if ( SDL_cursorlock != NULL ) {
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70 SDL_DestroyMutex(SDL_cursorlock);
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71 SDL_cursorlock = NULL;
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72 }
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73 }
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74 int SDL_CursorInit(Uint32 multithreaded)
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75 {
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76 /* We don't have mouse focus, and the cursor isn't drawn yet */
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77 #ifndef IPOD
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78 SDL_cursorstate = CURSOR_VISIBLE;
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79 #endif
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80
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81 /* Create the default cursor */
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82 if ( SDL_defcursor == NULL ) {
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83 SDL_defcursor = SDL_CreateCursor(default_cdata, default_cmask,
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84 DEFAULT_CWIDTH, DEFAULT_CHEIGHT,
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85 DEFAULT_CHOTX, DEFAULT_CHOTY);
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86 SDL_SetCursor(SDL_defcursor);
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87 }
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88
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89 /* Create a lock if necessary */
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90 if ( multithreaded ) {
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91 SDL_cursorlock = SDL_CreateMutex();
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92 }
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93
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94 /* That's it! */
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95 return(0);
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96 }
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97
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98 /* Multi-thread support for cursors */
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99 #ifndef SDL_LockCursor
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100 void SDL_LockCursor(void)
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101 {
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102 if ( SDL_cursorlock ) {
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103 SDL_mutexP(SDL_cursorlock);
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104 }
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105 }
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106 #endif
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107 #ifndef SDL_UnlockCursor
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108 void SDL_UnlockCursor(void)
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109 {
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110 if ( SDL_cursorlock ) {
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111 SDL_mutexV(SDL_cursorlock);
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112 }
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113 }
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114 #endif
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115
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116 /* Software cursor drawing support */
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117 SDL_Cursor * SDL_CreateCursor (Uint8 *data, Uint8 *mask,
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118 int w, int h, int hot_x, int hot_y)
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119 {
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120 SDL_VideoDevice *video = current_video;
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121 int savelen;
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122 int i;
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123 SDL_Cursor *cursor;
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124
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125 /* Make sure the width is a multiple of 8 */
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126 w = ((w+7)&~7);
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127
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128 /* Sanity check the hot spot */
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129 if ( (hot_x < 0) || (hot_y < 0) || (hot_x >= w) || (hot_y >= h) ) {
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130 SDL_SetError("Cursor hot spot doesn't lie within cursor");
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131 return(NULL);
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132 }
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133
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134 /* Allocate memory for the cursor */
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135 cursor = (SDL_Cursor *)malloc(sizeof *cursor);
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136 if ( cursor == NULL ) {
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137 SDL_OutOfMemory();
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138 return(NULL);
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139 }
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140 savelen = (w*4)*h;
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141 cursor->area.x = 0;
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142 cursor->area.y = 0;
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143 cursor->area.w = w;
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144 cursor->area.h = h;
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145 cursor->hot_x = hot_x;
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146 cursor->hot_y = hot_y;
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147 cursor->data = (Uint8 *)malloc((w/8)*h*2);
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148 cursor->mask = cursor->data+((w/8)*h);
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149 cursor->save[0] = (Uint8 *)malloc(savelen*2);
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150 cursor->save[1] = cursor->save[0] + savelen;
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151 cursor->wm_cursor = NULL;
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152 if ( ! cursor->data || ! cursor->save[0] ) {
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153 SDL_FreeCursor(cursor);
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154 SDL_OutOfMemory();
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155 return(NULL);
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156 }
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157 for ( i=((w/8)*h)-1; i>=0; --i ) {
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158 cursor->data[i] = data[i];
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159 cursor->mask[i] = mask[i] | data[i];
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160 }
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161 memset(cursor->save[0], 0, savelen*2);
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162
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163 /* If the window manager gives us a good cursor, we're done! */
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164 if ( video->CreateWMCursor ) {
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165 cursor->wm_cursor = video->CreateWMCursor(video, data, mask,
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166 w, h, hot_x, hot_y);
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167 } else {
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168 cursor->wm_cursor = NULL;
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169 }
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170 return(cursor);
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171 }
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172
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173 /* SDL_SetCursor(NULL) can be used to force the cursor redraw,
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174 if this is desired for any reason. This is used when setting
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175 the video mode and when the SDL window gains the mouse focus.
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176 */
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177 void SDL_SetCursor (SDL_Cursor *cursor)
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178 {
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179 SDL_VideoDevice *video = current_video;
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180 SDL_VideoDevice *this = current_video;
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181
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182 /* Make sure that the video subsystem has been initialized */
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183 if ( ! video ) {
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184 return;
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185 }
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186
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187 /* Prevent the event thread from moving the mouse */
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188 SDL_LockCursor();
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189
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190 /* Set the new cursor */
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191 if ( cursor && (cursor != SDL_cursor) ) {
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192 /* Erase the current mouse position */
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193 if ( SHOULD_DRAWCURSOR(SDL_cursorstate) ) {
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194 SDL_EraseCursor(SDL_VideoSurface);
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195 } else if ( video->MoveWMCursor ) {
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196 /* If the video driver is moving the cursor directly,
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197 it needs to hide the old cursor before (possibly)
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198 showing the new one. (But don't erase NULL cursor)
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199 */
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200 if ( SDL_cursor ) {
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201 video->ShowWMCursor(this, NULL);
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202 }
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203 }
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204 SDL_cursor = cursor;
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205 }
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206
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207 /* Draw the new mouse cursor */
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208 if ( SDL_cursor && (SDL_cursorstate&CURSOR_VISIBLE) ) {
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209 /* Use window manager cursor if possible */
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210 if ( SDL_cursor->wm_cursor &&
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211 video->ShowWMCursor(this, SDL_cursor->wm_cursor) )
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212 SDL_cursorstate &= ~CURSOR_USINGSW;
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213 else {
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214 SDL_cursorstate |= CURSOR_USINGSW;
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215 if ( video->ShowWMCursor ) {
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216 video->ShowWMCursor(this, NULL);
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217 }
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218 { int x, y;
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219 SDL_GetMouseState(&x, &y);
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220 SDL_cursor->area.x = (x - SDL_cursor->hot_x);
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221 SDL_cursor->area.y = (y - SDL_cursor->hot_y);
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222 }
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223 SDL_DrawCursor(SDL_VideoSurface);
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224 }
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225 } else {
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226 /* Erase window manager mouse (cursor not visible) */
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227 if ( SDL_cursor && (SDL_cursorstate & CURSOR_USINGSW) ) {
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228 SDL_EraseCursor(SDL_VideoSurface);
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229 } else {
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230 if ( video ) {
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231 video->ShowWMCursor(this, NULL);
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232 }
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233 }
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234 }
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235 SDL_UnlockCursor();
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236 }
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237
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238 SDL_Cursor * SDL_GetCursor (void)
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diff changeset
239 {
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240 return(SDL_cursor);
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241 }
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242
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243 void SDL_FreeCursor (SDL_Cursor *cursor)
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244 {
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245 if ( cursor ) {
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246 if ( cursor == SDL_cursor ) {
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247 SDL_SetCursor(SDL_defcursor);
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248 }
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249 if ( cursor != SDL_defcursor ) {
77
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parents: 1
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250 SDL_VideoDevice *video = current_video;
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diff changeset
251 SDL_VideoDevice *this = current_video;
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diff changeset
252
0
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253 if ( cursor->data ) {
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254 free(cursor->data);
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255 }
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diff changeset
256 if ( cursor->save[0] ) {
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diff changeset
257 free(cursor->save[0]);
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258 }
77
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diff changeset
259 if ( video && cursor->wm_cursor ) {
0
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260 video->FreeWMCursor(this, cursor->wm_cursor);
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diff changeset
261 }
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262 free(cursor);
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263 }
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264 }
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265 }
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diff changeset
266
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267 int SDL_ShowCursor (int toggle)
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diff changeset
268 {
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diff changeset
269 int showing;
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diff changeset
270
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271 showing = (SDL_cursorstate & CURSOR_VISIBLE);
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diff changeset
272 if ( toggle >= 0 ) {
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diff changeset
273 SDL_LockCursor();
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parents:
diff changeset
274 if ( toggle ) {
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diff changeset
275 SDL_cursorstate |= CURSOR_VISIBLE;
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diff changeset
276 } else {
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diff changeset
277 SDL_cursorstate &= ~CURSOR_VISIBLE;
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diff changeset
278 }
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diff changeset
279 SDL_UnlockCursor();
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diff changeset
280 if ( (SDL_cursorstate & CURSOR_VISIBLE) != showing ) {
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diff changeset
281 SDL_VideoDevice *video = current_video;
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diff changeset
282 SDL_VideoDevice *this = current_video;
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diff changeset
283
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diff changeset
284 SDL_SetCursor(NULL);
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diff changeset
285 if ( video && video->CheckMouseMode ) {
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diff changeset
286 video->CheckMouseMode(this);
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diff changeset
287 }
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parents:
diff changeset
288 }
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diff changeset
289 } else {
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diff changeset
290 /* Query current state */ ;
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parents:
diff changeset
291 }
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parents:
diff changeset
292 return(showing ? 1 : 0);
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parents:
diff changeset
293 }
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diff changeset
294
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diff changeset
295 void SDL_WarpMouse (Uint16 x, Uint16 y)
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parents:
diff changeset
296 {
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diff changeset
297 SDL_VideoDevice *video = current_video;
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diff changeset
298 SDL_VideoDevice *this = current_video;
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parents:
diff changeset
299
595
591b438ab94a Don't warp the mouse when a video mode hasn't been set
Sam Lantinga <slouken@libsdl.org>
parents: 527
diff changeset
300 if ( !video || !SDL_PublicSurface ) {
591b438ab94a Don't warp the mouse when a video mode hasn't been set
Sam Lantinga <slouken@libsdl.org>
parents: 527
diff changeset
301 SDL_SetError("A video mode must be set before warping mouse");
591b438ab94a Don't warp the mouse when a video mode hasn't been set
Sam Lantinga <slouken@libsdl.org>
parents: 527
diff changeset
302 return;
591b438ab94a Don't warp the mouse when a video mode hasn't been set
Sam Lantinga <slouken@libsdl.org>
parents: 527
diff changeset
303 }
591b438ab94a Don't warp the mouse when a video mode hasn't been set
Sam Lantinga <slouken@libsdl.org>
parents: 527
diff changeset
304
527
5c74ac147358 Fixed mouse warp position bug with offset video modes
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
305 /* If we have an offset video mode, offset the mouse coordinates */
1163
96ef83467667 Prevent division-by-zero in WarpMouse if surface's pitch is zero (a GL surface?).
Ryan C. Gordon <icculus@icculus.org>
parents: 1140
diff changeset
306 if (this->screen->pitch == 0) {
96ef83467667 Prevent division-by-zero in WarpMouse if surface's pitch is zero (a GL surface?).
Ryan C. Gordon <icculus@icculus.org>
parents: 1140
diff changeset
307 x += this->screen->offset / this->screen->format->BytesPerPixel;
96ef83467667 Prevent division-by-zero in WarpMouse if surface's pitch is zero (a GL surface?).
Ryan C. Gordon <icculus@icculus.org>
parents: 1140
diff changeset
308 y += this->screen->offset;
96ef83467667 Prevent division-by-zero in WarpMouse if surface's pitch is zero (a GL surface?).
Ryan C. Gordon <icculus@icculus.org>
parents: 1140
diff changeset
309 } else {
96ef83467667 Prevent division-by-zero in WarpMouse if surface's pitch is zero (a GL surface?).
Ryan C. Gordon <icculus@icculus.org>
parents: 1140
diff changeset
310 x += (this->screen->offset % this->screen->pitch) /
96ef83467667 Prevent division-by-zero in WarpMouse if surface's pitch is zero (a GL surface?).
Ryan C. Gordon <icculus@icculus.org>
parents: 1140
diff changeset
311 this->screen->format->BytesPerPixel;
96ef83467667 Prevent division-by-zero in WarpMouse if surface's pitch is zero (a GL surface?).
Ryan C. Gordon <icculus@icculus.org>
parents: 1140
diff changeset
312 y += (this->screen->offset / this->screen->pitch);
96ef83467667 Prevent division-by-zero in WarpMouse if surface's pitch is zero (a GL surface?).
Ryan C. Gordon <icculus@icculus.org>
parents: 1140
diff changeset
313 }
527
5c74ac147358 Fixed mouse warp position bug with offset video modes
Sam Lantinga <slouken@libsdl.org>
parents: 297
diff changeset
314
0
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parents:
diff changeset
315 /* This generates a mouse motion event */
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parents:
diff changeset
316 if ( video->WarpWMCursor ) {
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parents:
diff changeset
317 video->WarpWMCursor(this, x, y);
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parents:
diff changeset
318 } else {
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parents:
diff changeset
319 SDL_PrivateMouseMotion(0, 0, x, y);
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parents:
diff changeset
320 }
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parents:
diff changeset
321 }
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parents:
diff changeset
322
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parents:
diff changeset
323 void SDL_MoveCursor(int x, int y)
74212992fb08 Initial revision
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parents:
diff changeset
324 {
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parents:
diff changeset
325 SDL_VideoDevice *video = current_video;
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parents:
diff changeset
326
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parents:
diff changeset
327 /* Erase and update the current mouse position */
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parents:
diff changeset
328 if ( SHOULD_DRAWCURSOR(SDL_cursorstate) ) {
74212992fb08 Initial revision
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parents:
diff changeset
329 /* Erase and redraw mouse cursor in new position */
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parents:
diff changeset
330 SDL_LockCursor();
74212992fb08 Initial revision
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parents:
diff changeset
331 SDL_EraseCursor(SDL_VideoSurface);
74212992fb08 Initial revision
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parents:
diff changeset
332 SDL_cursor->area.x = (x - SDL_cursor->hot_x);
74212992fb08 Initial revision
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parents:
diff changeset
333 SDL_cursor->area.y = (y - SDL_cursor->hot_y);
74212992fb08 Initial revision
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parents:
diff changeset
334 SDL_DrawCursor(SDL_VideoSurface);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
335 SDL_UnlockCursor();
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
336 } else if ( video->MoveWMCursor ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
337 video->MoveWMCursor(video, x, y);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
338 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
339 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
340
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
341 /* Keep track of the current cursor colors */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
342 static int palette_changed = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
343 static Uint32 pixels8[2];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
344
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
345 void SDL_CursorPaletteChanged(void)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
346 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
347 palette_changed = 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
348 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
349
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
350 void SDL_MouseRect(SDL_Rect *area)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
351 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
352 int clip_diff;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
353
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
354 *area = SDL_cursor->area;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
355 if ( area->x < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
356 area->w += area->x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
357 area->x = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
358 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
359 if ( area->y < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
360 area->h += area->y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
361 area->y = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
362 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
363 clip_diff = (area->x+area->w)-SDL_VideoSurface->w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
364 if ( clip_diff > 0 ) {
113
e21ac1dd30f1 Fixed crash if mouse is outside of the screen bounds for some reason
Sam Lantinga <slouken@lokigames.com>
parents: 77
diff changeset
365 area->w = area->w < clip_diff ? 0 : area->w-clip_diff;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
366 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
367 clip_diff = (area->y+area->h)-SDL_VideoSurface->h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
368 if ( clip_diff > 0 ) {
113
e21ac1dd30f1 Fixed crash if mouse is outside of the screen bounds for some reason
Sam Lantinga <slouken@lokigames.com>
parents: 77
diff changeset
369 area->h = area->h < clip_diff ? 0 : area->h-clip_diff;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
370 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
371 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
372
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
373 static void SDL_DrawCursorFast(SDL_Surface *screen, SDL_Rect *area)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
374 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
375 const Uint32 pixels[2] = { 0xFFFFFFFF, 0x00000000 };
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
376 int i, w, h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
377 Uint8 *data, datab;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
378 Uint8 *mask, maskb;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
379
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
380 data = SDL_cursor->data + area->y * SDL_cursor->area.w/8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
381 mask = SDL_cursor->mask + area->y * SDL_cursor->area.w/8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
382 switch (screen->format->BytesPerPixel) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
383
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
384 case 1: {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
385 Uint8 *dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
386 int dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
387
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
388 if ( palette_changed ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
389 pixels8[0] = SDL_MapRGB(screen->format, 255, 255, 255);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
390 pixels8[1] = SDL_MapRGB(screen->format, 0, 0, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
391 palette_changed = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
392 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
393 dst = (Uint8 *)screen->pixels +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
394 (SDL_cursor->area.y+area->y)*screen->pitch +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
395 SDL_cursor->area.x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
396 dstskip = screen->pitch-area->w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
397
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
398 for ( h=area->h; h; h-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
399 for ( w=area->w/8; w; w-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
400 maskb = *mask++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
401 datab = *data++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
402 for ( i=0; i<8; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
403 if ( maskb & 0x80 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
404 *dst = pixels8[datab>>7];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
405 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
406 maskb <<= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
407 datab <<= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
408 dst++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
409 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
410 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
411 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
412 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
413 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
414 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
415
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
416 case 2: {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
417 Uint16 *dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
418 int dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
419
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
420 dst = (Uint16 *)screen->pixels +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
421 (SDL_cursor->area.y+area->y)*screen->pitch/2 +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
422 SDL_cursor->area.x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
423 dstskip = (screen->pitch/2)-area->w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
424
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
425 for ( h=area->h; h; h-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
426 for ( w=area->w/8; w; w-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
427 maskb = *mask++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
428 datab = *data++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
429 for ( i=0; i<8; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
430 if ( maskb & 0x80 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
431 *dst = pixels[datab>>7];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
432 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
433 maskb <<= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
434 datab <<= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
435 dst++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
436 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
437 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
438 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
439 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
440 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
441 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
442
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
443 case 3: {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
444 Uint8 *dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
445 int dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
446
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
447 dst = (Uint8 *)screen->pixels +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
448 (SDL_cursor->area.y+area->y)*screen->pitch +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
449 SDL_cursor->area.x*3;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
450 dstskip = screen->pitch-area->w*3;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
451
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
452 for ( h=area->h; h; h-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
453 for ( w=area->w/8; w; w-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
454 maskb = *mask++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
455 datab = *data++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
456 for ( i=0; i<8; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
457 if ( maskb & 0x80 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
458 memset(dst,pixels[datab>>7],3);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
459 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
460 maskb <<= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
461 datab <<= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
462 dst += 3;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
463 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
464 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
465 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
466 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
467 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
468 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
469
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
470 case 4: {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
471 Uint32 *dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
472 int dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
473
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
474 dst = (Uint32 *)screen->pixels +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
475 (SDL_cursor->area.y+area->y)*screen->pitch/4 +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
476 SDL_cursor->area.x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
477 dstskip = (screen->pitch/4)-area->w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
478
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
479 for ( h=area->h; h; h-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
480 for ( w=area->w/8; w; w-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
481 maskb = *mask++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
482 datab = *data++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
483 for ( i=0; i<8; ++i ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
484 if ( maskb & 0x80 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
485 *dst = pixels[datab>>7];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
486 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
487 maskb <<= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
488 datab <<= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
489 dst++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
490 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
491 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
492 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
493 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
494 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
495 break;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
496 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
497 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
498
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
499 static void SDL_DrawCursorSlow(SDL_Surface *screen, SDL_Rect *area)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
500 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
501 const Uint32 pixels[2] = { 0xFFFFFF, 0x000000 };
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
502 int h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
503 int x, minx, maxx;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
504 Uint8 *data, datab = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
505 Uint8 *mask, maskb = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
506 Uint8 *dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
507 int dstbpp, dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
508
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
509 data = SDL_cursor->data + area->y * SDL_cursor->area.w/8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
510 mask = SDL_cursor->mask + area->y * SDL_cursor->area.w/8;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
511 dstbpp = screen->format->BytesPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
512 dst = (Uint8 *)screen->pixels +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
513 (SDL_cursor->area.y+area->y)*screen->pitch +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
514 SDL_cursor->area.x*dstbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
515 dstskip = screen->pitch-SDL_cursor->area.w*dstbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
516
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
517 minx = area->x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
518 maxx = area->x+area->w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
519 if ( screen->format->BytesPerPixel == 1 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
520 if ( palette_changed ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
521 pixels8[0] = SDL_MapRGB(screen->format, 255, 255, 255);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
522 pixels8[1] = SDL_MapRGB(screen->format, 0, 0, 0);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
523 palette_changed = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
524 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
525 for ( h=area->h; h; h-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
526 for ( x=0; x<SDL_cursor->area.w; ++x ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
527 if ( (x%8) == 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
528 maskb = *mask++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
529 datab = *data++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
530 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
531 if ( (x >= minx) && (x < maxx) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
532 if ( maskb & 0x80 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
533 memset(dst, pixels8[datab>>7], dstbpp);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
534 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
535 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
536 maskb <<= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
537 datab <<= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
538 dst += dstbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
539 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
540 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
541 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
542 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
543 for ( h=area->h; h; h-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
544 for ( x=0; x<SDL_cursor->area.w; ++x ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
545 if ( (x%8) == 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
546 maskb = *mask++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
547 datab = *data++;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
548 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
549 if ( (x >= minx) && (x < maxx) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
550 if ( maskb & 0x80 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
551 memset(dst, pixels[datab>>7], dstbpp);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
552 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
553 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
554 maskb <<= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
555 datab <<= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
556 dst += dstbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
557 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
558 dst += dstskip;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
559 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
560 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
561 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
562
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
563 /* This handles the ugly work of converting the saved cursor background from
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
564 the pixel format of the shadow surface to that of the video surface.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
565 This is only necessary when blitting from a shadow surface of a different
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
566 pixel format than the video surface, and using a software rendered cursor.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
567 */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
568 static void SDL_ConvertCursorSave(SDL_Surface *screen, int w, int h)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
569 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
570 SDL_BlitInfo info;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
571 SDL_loblit RunBlit;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
572
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
573 /* Make sure we can steal the blit mapping */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
574 if ( screen->map->dst != SDL_VideoSurface ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
575 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
576 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
577
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
578 /* Set up the blit information */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
579 info.s_pixels = SDL_cursor->save[1];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
580 info.s_width = w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
581 info.s_height = h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
582 info.s_skip = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
583 info.d_pixels = SDL_cursor->save[0];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
584 info.d_width = w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
585 info.d_height = h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
586 info.d_skip = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
587 info.aux_data = screen->map->sw_data->aux_data;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
588 info.src = screen->format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
589 info.table = screen->map->table;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
590 info.dst = SDL_VideoSurface->format;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
591 RunBlit = screen->map->sw_data->blit;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
592
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
593 /* Run the actual software blit */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
594 RunBlit(&info);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
595 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
596
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
597 void SDL_DrawCursorNoLock(SDL_Surface *screen)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
598 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
599 SDL_Rect area;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
600
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
601 /* Get the mouse rectangle, clipped to the screen */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
602 SDL_MouseRect(&area);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
603 if ( (area.w == 0) || (area.h == 0) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
604 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
605 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
606
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
607 /* Copy mouse background */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
608 { int w, h, screenbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
609 Uint8 *src, *dst;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
610
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
611 /* Set up the copy pointers */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
612 screenbpp = screen->format->BytesPerPixel;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
613 if ( (screen == SDL_VideoSurface) ||
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
614 FORMAT_EQUAL(screen->format, SDL_VideoSurface->format) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
615 dst = SDL_cursor->save[0];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
616 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
617 dst = SDL_cursor->save[1];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
618 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
619 src = (Uint8 *)screen->pixels + area.y * screen->pitch +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
620 area.x * screenbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
621
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
622 /* Perform the copy */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
623 w = area.w*screenbpp;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
624 h = area.h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
625 while ( h-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
626 memcpy(dst, src, w);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
627 dst += w;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
628 src += screen->pitch;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
629 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
630 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
631
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
632 /* Draw the mouse cursor */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
633 area.x -= SDL_cursor->area.x;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
634 area.y -= SDL_cursor->area.y;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
635 if ( (area.x == 0) && (area.w == SDL_cursor->area.w) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
636 SDL_DrawCursorFast(screen, &area);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
637 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
638 SDL_DrawCursorSlow(screen, &area);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
639 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
640 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
641
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
642 void SDL_DrawCursor(SDL_Surface *screen)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
643 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
644 /* Lock the screen if necessary */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
645 if ( screen == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
646 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
647 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
648 if ( SDL_MUSTLOCK(screen) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
649 if ( SDL_LockSurface(screen) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
650 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
651 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
652 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
653
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
654 SDL_DrawCursorNoLock(screen);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
655
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
656 /* Unlock the screen and update if necessary */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
657 if ( SDL_MUSTLOCK(screen) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
658 SDL_UnlockSurface(screen);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
659 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
660 if ( (screen == SDL_VideoSurface) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
661 ((screen->flags & SDL_HWSURFACE) != SDL_HWSURFACE) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
662 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
663 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
664 SDL_Rect area;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
665
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
666 SDL_MouseRect(&area);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
667
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
668 /* This can be called before a video mode is set */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
669 if ( video->UpdateRects ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
670 video->UpdateRects(this, 1, &area);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
671 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
672 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
673 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
674
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
675 void SDL_EraseCursorNoLock(SDL_Surface *screen)
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
676 {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
677 SDL_Rect area;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
678
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
679 /* Get the mouse rectangle, clipped to the screen */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
680 SDL_MouseRect(&area);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
681 if ( (area.w == 0) || (area.h == 0) ) {
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parents:
diff changeset
682 return;
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parents:
diff changeset
683 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
684
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
685 /* Copy mouse background */
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parents:
diff changeset
686 { int w, h, screenbpp;
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parents:
diff changeset
687 Uint8 *src, *dst;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
688
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
689 /* Set up the copy pointers */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
690 screenbpp = screen->format->BytesPerPixel;
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parents:
diff changeset
691 if ( (screen == SDL_VideoSurface) ||
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parents:
diff changeset
692 FORMAT_EQUAL(screen->format, SDL_VideoSurface->format) ) {
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parents:
diff changeset
693 src = SDL_cursor->save[0];
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diff changeset
694 } else {
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Sam Lantinga <slouken@lokigames.com>
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diff changeset
695 src = SDL_cursor->save[1];
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
696 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
697 dst = (Uint8 *)screen->pixels + area.y * screen->pitch +
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
698 area.x * screenbpp;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
699
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
700 /* Perform the copy */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
701 w = area.w*screenbpp;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
702 h = area.h;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
703 while ( h-- ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
704 memcpy(dst, src, w);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
705 src += w;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
706 dst += screen->pitch;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
707 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
708
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
709 /* Perform pixel conversion on cursor background */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
710 if ( src > SDL_cursor->save[1] ) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
711 SDL_ConvertCursorSave(screen, area.w, area.h);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
712 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
713 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
714 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
715
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
716 void SDL_EraseCursor(SDL_Surface *screen)
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
717 {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
718 /* Lock the screen if necessary */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
719 if ( screen == NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
720 return;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
721 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
722 if ( SDL_MUSTLOCK(screen) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
723 if ( SDL_LockSurface(screen) < 0 ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
724 return;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
725 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
726 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
727
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
728 SDL_EraseCursorNoLock(screen);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
729
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
730 /* Unlock the screen and update if necessary */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
731 if ( SDL_MUSTLOCK(screen) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
732 SDL_UnlockSurface(screen);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
733 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
734 if ( (screen == SDL_VideoSurface) &&
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
735 ((screen->flags & SDL_HWSURFACE) != SDL_HWSURFACE) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
736 SDL_VideoDevice *video = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
737 SDL_VideoDevice *this = current_video;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
738 SDL_Rect area;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
739
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
740 SDL_MouseRect(&area);
1
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
741 if ( video->UpdateRects ) {
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
742 video->UpdateRects(this, 1, &area);
cf2af46e9e2a Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
743 }
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
744 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
745 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
746
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
747 /* Reset the cursor on video mode change
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
748 FIXME: Keep track of all cursors, and reset them all.
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
749 */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
750 void SDL_ResetCursor(void)
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
751 {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
752 int savelen;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
753
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
754 if ( SDL_cursor ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
755 savelen = SDL_cursor->area.w*4*SDL_cursor->area.h;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
756 SDL_cursor->area.x = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
757 SDL_cursor->area.y = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
758 memset(SDL_cursor->save[0], 0, savelen);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
759 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
760 }