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annotate src/video/picogui/SDL_pgvideo.c @ 948:ac488ad4ef1d

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Don't fail if we don't have ALSA available
author Sam Lantinga <slouken@libsdl.org>
date Tue, 24 Aug 2004 06:32:50 +0000
parents b8d311d90021
children c9b51268668f
rev   line source
433
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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
433
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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 Micah Dowty
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23 micahjd@users.sourceforge.net
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24 */
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25
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26 #ifdef SAVE_RCSID
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27 static char rcsid =
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28 "@(#) $Id$";
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29 #endif
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30
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31 #include <stdio.h>
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32 #include <stdlib.h>
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33 #include <string.h>
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34
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35 #include "SDL.h"
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36 #include "SDL_error.h"
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37 #include "SDL_video.h"
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38 #include "SDL_mouse.h"
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39 #include "SDL_sysvideo.h"
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40 #include "SDL_pixels_c.h"
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41 #include "SDL_events_c.h"
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42
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43 #include "SDL_pgvideo.h"
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44 #include "SDL_pgevents_c.h"
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45
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46 #define PGVID_DRIVER_NAME "picogui"
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47
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48 /* Initialization/Query functions */
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49 static int PG_VideoInit(_THIS, SDL_PixelFormat *vformat);
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50 static SDL_Rect **PG_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
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51 static SDL_Surface *PG_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags);
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52 static int PG_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors);
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53 static void PG_VideoQuit(_THIS);
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54
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55 /* Hardware surface functions */
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56 static int PG_AllocHWSurface(_THIS, SDL_Surface *surface);
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57 static int PG_LockHWSurface(_THIS, SDL_Surface *surface);
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58 static void PG_UnlockHWSurface(_THIS, SDL_Surface *surface);
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59 static void PG_FreeHWSurface(_THIS, SDL_Surface *surface);
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60
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61 /* etc. */
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62 static void PG_UpdateRects(_THIS, int numrects, SDL_Rect *rects);
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63
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64 // The implementation dependent data for the window manager cursor
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65 struct WMcursor {
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66 /* Our cursor is a PicoGUI theme */
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67 pghandle theme;
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68 } ;
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69
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70 /* WM functions */
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71 void PG_SetCaption(_THIS, const char *title, const char *icon);
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72 WMcursor * PG_CreateWMCursor (_THIS,Uint8 * data, Uint8 * mask,
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73 int w, int h, int hot_x, int hot_y);
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74 void PG_FreeWMCursor (_THIS, WMcursor * cursor);
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75 void PG_WarpWMCursor(_THIS, Uint16 x, Uint16 y);
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76 int PG_ShowWMCursor (_THIS, WMcursor * cursor);
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77
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78 /* PicoGUI driver bootstrap functions */
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79
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80 static int PG_Available(void)
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81 {
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82 /* FIXME: The current client lib doesn't give a way to see if the picogui
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83 * server is reachable without causing a fatal error if it isn't.
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84 * This should be fixed in cli_c2, but until then assume we can
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85 * connect. Since more common drivers like X11 are probed first anyway,
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86 * this shouldn't be a huge problem.
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87 */
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88 return(1);
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89 }
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90
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91 static void PG_DeleteDevice(SDL_VideoDevice *device)
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92 {
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93 free(device->hidden);
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94 free(device);
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95 }
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96
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97 static SDL_VideoDevice *PG_CreateDevice(int devindex)
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98 {
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99 SDL_VideoDevice *device;
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100
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101 /* Initialize all variables that we clean on shutdown */
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102 device = (SDL_VideoDevice *)malloc(sizeof(SDL_VideoDevice));
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103 if ( device ) {
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104 memset(device, 0, (sizeof *device));
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105 device->hidden = (struct SDL_PrivateVideoData *)
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106 malloc((sizeof *device->hidden));
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107 }
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108 if ( (device == NULL) || (device->hidden == NULL) ) {
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109 SDL_OutOfMemory();
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110 if ( device ) {
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111 free(device);
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112 }
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113 return(0);
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114 }
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115 memset(device->hidden, 0, (sizeof *device->hidden));
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116
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117 /* Set the function pointers */
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118 device->VideoInit = PG_VideoInit;
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119 device->ListModes = PG_ListModes;
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120 device->SetVideoMode = PG_SetVideoMode;
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121 device->CreateYUVOverlay = NULL;
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122 device->SetColors = PG_SetColors;
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123 device->UpdateRects = PG_UpdateRects;
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124 device->VideoQuit = PG_VideoQuit;
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125 device->AllocHWSurface = PG_AllocHWSurface;
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126 device->CheckHWBlit = NULL;
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127 device->FillHWRect = NULL;
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128 device->SetHWColorKey = NULL;
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129 device->SetHWAlpha = NULL;
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130 device->LockHWSurface = PG_LockHWSurface;
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131 device->UnlockHWSurface = PG_UnlockHWSurface;
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132 device->FlipHWSurface = NULL;
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133 device->FreeHWSurface = PG_FreeHWSurface;
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134 device->SetCaption = PG_SetCaption;
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135 device->SetIcon = NULL;
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136 device->IconifyWindow = NULL;
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137 device->GrabInput = NULL;
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138
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139 device->PumpEvents = PG_PumpEvents;
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140 device->InitOSKeymap = PG_InitOSKeymap;
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141
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142 device->ShowWMCursor = PG_ShowWMCursor;
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143 device->CreateWMCursor = PG_CreateWMCursor;
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144 device->FreeWMCursor = PG_FreeWMCursor;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
145 device->WarpWMCursor = PG_WarpWMCursor;
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 device->free = PG_DeleteDevice;
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
148
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
149 return device;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
150 }
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
152 VideoBootStrap PG_bootstrap = {
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 PGVID_DRIVER_NAME, "PicoGUI SDL driver",
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 PG_Available, PG_CreateDevice
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 };
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 int PG_VideoInit(_THIS, SDL_PixelFormat *vformat)
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 {
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 /* Connect to the PicoGUI server. No way to process command line args yet,
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
161 * but since this is based on SHM it's not important to be able to specify
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162 * a remote PicoGUI server.
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 *
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 * FIXME: Another nitpick about the current client lib is there's no
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165 * clean way to indicate that command line args are not available.
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 */
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167 pgInit(0,(char**)"");
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
168 this->hidden->mi = *pgGetVideoMode();
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
169
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
170 /* Create a picogui application and canvas. We'll populate the canvas later. */
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
171 this->hidden->wApp = pgRegisterApp(PG_APP_NORMAL,"SDL",0);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
172 this->hidden->wCanvas = pgNewWidget(PG_WIDGET_CANVAS,0,0);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
173 pgSetWidget(PGDEFAULT,
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
174 PG_WP_SIDE, PG_S_ALL,
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
175 0);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
176
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
177 PG_InitEvents(this);
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Sam Lantinga <slouken@libsdl.org>
parents:
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178
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
179 /* Determine the screen depth.
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
180 * We change this during the SDL_SetVideoMode implementation...
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
181 * Round up to the nearest Bytes per pixel
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
182 */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
183 vformat->BitsPerPixel = this->hidden->mi.bpp;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184 vformat->BytesPerPixel = this->hidden->mi.bpp >> 3;
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
185 if (this->hidden->mi.bpp & 7)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
186 vformat->BytesPerPixel++;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188 /* We're done! */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 return(0);
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 }
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192 SDL_Rect **PG_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
193 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
194 return (SDL_Rect **) -1;
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
195 }
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
196
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
197 SDL_Surface *PG_SetVideoMode(_THIS, SDL_Surface *current,
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
198 int width, int height, int bpp, Uint32 flags)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
199 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
200 if ( this->hidden->bitmap ) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
201 /* Free old bitmap */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
202 if (current->pixels) {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203 shmdt(current->pixels);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 current->pixels = NULL;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 }
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206 pgDelete(this->hidden->bitmap);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 }
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 /* Allocate the new pixel format for the screen */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210 if ( ! SDL_ReallocFormat(current, bpp, 0, 0, 0, 0) ) {
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 SDL_SetError("Couldn't allocate new pixel format for requested mode");
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 return(NULL);
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 }
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 /* Create a new picogui bitmap */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 this->hidden->bitmap = pgCreateBitmap(width,height);
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217 this->hidden->shm = *pgMakeSHMBitmap(this->hidden->bitmap);
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 current->pixels = shmat(shmget(this->hidden->shm.shm_key,
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 this->hidden->shm.shm_length,0),NULL,0);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 /* Reset the canvas, and draw persistent and incremental grops.
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 * Use mapping and offsets to center it.
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 */
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225 pgWriteCmd(this->hidden->wCanvas, PGCANVAS_NUKE, 0);
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 /* 0. Set the source position during incremental rendering
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 */
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229 pgWriteCmd(this->hidden->wCanvas, PGCANVAS_GROP, 5, PG_GROP_SETSRC,0,0,0,0);
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 pgWriteCmd(this->hidden->wCanvas, PGCANVAS_GROPFLAGS, 1, PG_GROPF_INCREMENTAL);
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 /* 1. Incremental bitmap rendering
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 */
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 pgWriteCmd(this->hidden->wCanvas, PGCANVAS_GROP, 6, PG_GROP_BITMAP,
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 0,0,0,0,this->hidden->bitmap);
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 pgWriteCmd(this->hidden->wCanvas, PGCANVAS_GROPFLAGS, 1, PG_GROPF_INCREMENTAL);
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 /* 2. Normal bitmap rendering
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 */
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 pgWriteCmd(this->hidden->wCanvas, PGCANVAS_GROP, 6, PG_GROP_BITMAP,
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 0,0,this->hidden->shm.width,this->hidden->shm.height,this->hidden->bitmap);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 /* Set up the new mode framebuffer */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 current->flags = 0;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 current->w = this->hidden->shm.width;
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 current->h = this->hidden->shm.height;
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 current->pitch = this->hidden->shm.pitch;
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 /* Set up pixel format */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 current->format->BitsPerPixel = this->hidden->shm.bpp;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 current->format->BytesPerPixel = this->hidden->shm.bpp >> 3;
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 if (this->hidden->shm.bpp & 7)
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 current->format->BytesPerPixel++;
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 current->format->palette = NULL;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 current->format->Rmask = this->hidden->shm.red_mask;
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 current->format->Gmask = this->hidden->shm.green_mask;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 current->format->Bmask = this->hidden->shm.blue_mask;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 current->format->Amask = this->hidden->shm.alpha_mask;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 current->format->Rshift = this->hidden->shm.red_shift;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 current->format->Gshift = this->hidden->shm.green_shift;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 current->format->Bshift = this->hidden->shm.blue_shift;
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 current->format->Ashift = this->hidden->shm.alpha_shift;
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 current->format->Rloss = 8 - this->hidden->shm.red_length;
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 current->format->Gloss = 8 - this->hidden->shm.green_length;
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 current->format->Bloss = 8 - this->hidden->shm.blue_length;
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 current->format->Aloss = 8 - this->hidden->shm.alpha_length;
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 /* Draw the app */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 pgUpdate();
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 /* We're done */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 return(current);
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 }
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 /* We don't actually allow hardware surfaces other than the main one */
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 static int PG_AllocHWSurface(_THIS, SDL_Surface *surface)
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277 {
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 return(-1);
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279 }
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 static void PG_FreeHWSurface(_THIS, SDL_Surface *surface)
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 {
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
282 return;
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
283 }
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
284
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
285 /* We need to wait for vertical retrace on page flipped displays */
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
286 static int PG_LockHWSurface(_THIS, SDL_Surface *surface)
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
287 {
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
288 return(0);
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289 }
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290
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291 static void PG_UnlockHWSurface(_THIS, SDL_Surface *surface)
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292 {
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293 return;
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294 }
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295
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296 static void PG_UpdateRects(_THIS, int numrects, SDL_Rect *rects)
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297 {
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298 int i;
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299
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300 for (i = 0; i < numrects; i++) {
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301 if (rects[i].w <= 0 || rects[i].h <= 0)
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302 continue;
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303
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Sam Lantinga <slouken@libsdl.org>
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304 /* Schedule an incremental update for this rectangle, using
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Sam Lantinga <slouken@libsdl.org>
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305 * the canvas gropnodes we've loaded beforehand.
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306 */
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307 pgWriteCmd(this->hidden->wCanvas, PGCANVAS_FINDGROP, 1, 0);
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308 pgWriteCmd(this->hidden->wCanvas, PGCANVAS_MOVEGROP, 4,
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309 rects[i].x, rects[i].y,
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310 rects[i].w, rects[i].h);
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311 pgWriteCmd(this->hidden->wCanvas, PGCANVAS_FINDGROP, 1, 1);
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312 pgWriteCmd(this->hidden->wCanvas, PGCANVAS_MOVEGROP, 4,
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313 rects[i].x, rects[i].y,
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314 rects[i].w, rects[i].h);
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315
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316 /* Go perform the update */
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317 pgWriteCmd(this->hidden->wCanvas, PGCANVAS_INCREMENTAL, 0);
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318 pgSubUpdate(this->hidden->wCanvas);
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319 }
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320 }
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321
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322 int PG_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors)
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323 {
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324 /* do nothing of note. */
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325 return(1);
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326 }
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327
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328 /* Note: If we are terminated, this could be called in the middle of
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329 another SDL video routine -- notably UpdateRects.
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330 */
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331 void PG_VideoQuit(_THIS)
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332 {
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333 if (this->screen->pixels != NULL)
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334 {
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335 shmdt(this->screen->pixels);
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336 this->screen->pixels = NULL;
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337 pgDelete(this->hidden->bitmap);
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338 }
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339 pgDelete(this->hidden->wCanvas);
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340 pgDelete(this->hidden->wApp);
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341 }
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342
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Sam Lantinga <slouken@libsdl.org>
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343 void PG_SetCaption(_THIS, const char *title, const char *icon)
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344 {
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345 if (title != NULL)
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346 pgReplaceText(this->hidden->wApp, title);
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347 pgUpdate();
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348 }
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349
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350 /* FIXME: The cursor stuff isn't implemented yet! */
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351
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352 WMcursor * PG_CreateWMCursor (_THIS,Uint8 * data, Uint8 * mask,
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353 int w, int h, int hot_x, int hot_y)
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354 {
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355 static WMcursor dummy;
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356 return &dummy;
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357 }
706de3956894 Added initial support for PicoGUI (thanks Micah!)
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parents:
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358
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Sam Lantinga <slouken@libsdl.org>
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359 void PG_FreeWMCursor (_THIS, WMcursor * cursor)
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360 {
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 }
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
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362
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Sam Lantinga <slouken@libsdl.org>
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363 void PG_WarpWMCursor(_THIS, Uint16 x, Uint16 y)
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
364 {
706de3956894 Added initial support for PicoGUI (thanks Micah!)
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
365 }
706de3956894 Added initial support for PicoGUI (thanks Micah!)
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parents:
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366
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367 int PG_ShowWMCursor (_THIS, WMcursor * cursor)
706de3956894 Added initial support for PicoGUI (thanks Micah!)
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parents:
diff changeset
368 {
706de3956894 Added initial support for PicoGUI (thanks Micah!)
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369 return 1;
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370 }