annotate src/video/bwindow/SDL_BView.h @ 297:f6ffac90895c

Updated copyright information for 2002
author Sam Lantinga <slouken@libsdl.org>
date Wed, 06 Mar 2002 11:23:08 +0000
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 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 /* This is the event handling and graphics update portion of SDL_BWin */
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29
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30 extern "C" {
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31 #include "SDL_events_c.h"
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32 };
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33
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34 class SDL_BView : public BView
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35 {
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36 public:
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37 SDL_BView(BRect frame) :
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38 BView(frame, "SDL View", B_FOLLOW_ALL_SIDES,
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39 (B_WILL_DRAW|B_FRAME_EVENTS)) {
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40 image = NULL;
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41 xoff = yoff = 0;
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42 SetViewColor(0,0,0,0);
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43 SetHighColor(0,0,0,0);
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44 }
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45 virtual ~SDL_BView() {
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46 SetBitmap(NULL);
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47 }
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48 /* Set drawing offsets for fullscreen mode */
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49 virtual void SetXYOffset(int x, int y) {
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50 xoff = x;
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51 yoff = y;
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52 }
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53 virtual void GetXYOffset(int &x, int &y) {
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54 x = xoff;
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55 y = yoff;
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56 }
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57 /* The view changed size. If it means we're in fullscreen, we
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58 * draw a nice black box in the entire view to get black borders.
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59 */
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60 virtual void FrameResized(float width, float height) {
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61 BRect bounds;
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62 bounds.top = bounds.left = 0;
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63 bounds.right = width;
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64 bounds.bottom = height;
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65 /* Fill the entire view with black */
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66 FillRect(bounds, B_SOLID_HIGH);
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67 /* And if there's an image, redraw it. */
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68 if( image ) {
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69 bounds = image->Bounds();
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70 Draw(bounds);
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71 }
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72 }
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73
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74 /* Drawing portion of this complete breakfast. :) */
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75 virtual void SetBitmap(BBitmap *bitmap) {
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76 if ( image ) {
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77 delete image;
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78 }
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79 image = bitmap;
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80 }
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81 virtual void Draw(BRect updateRect) {
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82 if ( image ) {
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83 if(xoff || yoff) {
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84 BRect dest;
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85 dest.top = updateRect.top + yoff;
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86 dest.left = updateRect.left + xoff;
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87 dest.bottom = updateRect.bottom + yoff;
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88 dest.right = updateRect.right + xoff;
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89 DrawBitmap(image, updateRect, dest);
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90 } else {
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91 DrawBitmap(image, updateRect, updateRect);
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92 }
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93 }
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94 }
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95 virtual void DrawAsync(BRect updateRect) {
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96 if(xoff || yoff) {
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97 BRect dest;
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98 dest.top = updateRect.top + yoff;
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99 dest.left = updateRect.left + xoff;
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100 dest.bottom = updateRect.bottom + yoff;
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101 dest.right = updateRect.right + xoff;;
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102 DrawBitmapAsync(image, updateRect, dest);
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103 } else {
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104 DrawBitmapAsync(image, updateRect, updateRect);
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105 }
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106 }
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107
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108 private:
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109 BBitmap *image;
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110 int xoff, yoff;
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111 };