Mercurial > sdl-ios-xcode
annotate src/video/win32/SDL_win32shape.c @ 4785:ef8b32ef9793
Updated test code, updated win32 code a bit (still not complete, but hopefully tonight), and removed the last vestiges of ellipse and polygon drawing support.
author | Eli Gottlieb <eligottlieb@gmail.com> |
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date | Tue, 06 Jul 2010 22:05:22 -0400 |
parents | 6e03d73054d7 |
children | e25ad8d97027 |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 2010 Eli Gottlieb |
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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 Lesser General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2.1 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 Lesser 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 Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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18 |
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19 Eli Gottlieb |
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20 eligottlieb@gmail.com |
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21 */ |
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22 |
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23 #include <windows.h> |
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24 #include "SDL_win32shape.h" |
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25 |
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26 SDL_WindowShaper* Win32_CreateShaper(SDL_Window * window) { |
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27 SDL_WindowShaper* result = malloc(sizeof(SDL_WindowShaper)); |
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28 result->window = window; |
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29 result->alphacutoff = 0; |
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30 result->usershownflag = 0; |
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31 //Put some driver-data here. |
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32 window->shaper = result; |
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33 int resized_properly = X11ResizeWindowShape(window); |
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34 assert(resized_properly == 0); |
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35 return result; |
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Eli Gottlieb <eligottlieb@gmail.com>
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36 } |
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37 |
4785
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38 int Win32_SetWindowShape(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowShapeMode *shapeMode) { |
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Updated test code, updated win32 code a bit (still not complete, but hopefully tonight), and removed the last vestiges of ellipse and polygon drawing support.
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39 assert(shaper != NULL && shape != NULL); |
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40 if(!SDL_ISPIXELFORMAT_ALPHA(SDL_MasksToPixelFormatEnum(shape->format->BitsPerPixel,shape->format->Rmask,shape->format->Gmask,shape->format->Bmask,shape->format->Amask))) |
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41 return -2; |
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42 if(shape->w != shaper->window->w || shape->h != shaper->window->h) |
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43 return -3; |
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Updated test code, updated win32 code a bit (still not complete, but hopefully tonight), and removed the last vestiges of ellipse and polygon drawing support.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
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44 |
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45 /* Assume that shaper->alphacutoff already has a value, because SDL_SetWindowShape() should have given it one. */ |
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Eli Gottlieb <eligottlieb@gmail.com>
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46 /* |
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47 * Start with empty region |
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Updated test code, updated win32 code a bit (still not complete, but hopefully tonight), and removed the last vestiges of ellipse and polygon drawing support.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
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48 */ |
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49 HRGN MaskRegion = CreateRectRgn(0, 0, 0, 0); |
ef8b32ef9793
Updated test code, updated win32 code a bit (still not complete, but hopefully tonight), and removed the last vestiges of ellipse and polygon drawing support.
Eli Gottlieb <eligottlieb@gmail.com>
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50 |
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Updated test code, updated win32 code a bit (still not complete, but hopefully tonight), and removed the last vestiges of ellipse and polygon drawing support.
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51 unsigned int pitch = shape->pitch; |
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52 unsigned int width = shape->width; |
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Eli Gottlieb <eligottlieb@gmail.com>
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53 unsigned int height = shape->height; |
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Eli Gottlieb <eligottlieb@gmail.com>
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54 unsigned int dy = pitch - width; |
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55 |
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56 SDL_ShapeData *data = (SDL_ShapeData*)shaper->driverdata; |
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57 /* |
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58 * Transfer binarized mask image into workbuffer |
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59 */ |
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60 SDL_CalculateShapeBitmap(shaper->alphacutoff,shape,data->shapebuffer,1,0xff); |
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61 //Move code over to here from AW_windowShape.c |
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Updated test code, updated win32 code a bit (still not complete, but hopefully tonight), and removed the last vestiges of ellipse and polygon drawing support.
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62 |
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63 } |
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Updated test code, updated win32 code a bit (still not complete, but hopefully tonight), and removed the last vestiges of ellipse and polygon drawing support.
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64 |
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65 int Win32_ResizeWindowShape(SDL_Window *window) { |
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66 SDL_ShapeData* data = window->shaper->driverdata; |
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67 assert(data != NULL); |
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68 |
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69 unsigned int buffersize = window->w * window->h; |
ef8b32ef9793
Updated test code, updated win32 code a bit (still not complete, but hopefully tonight), and removed the last vestiges of ellipse and polygon drawing support.
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70 if(data->buffersize != buffersize || data->shapebuffer == NULL) { |
ef8b32ef9793
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Eli Gottlieb <eligottlieb@gmail.com>
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71 data->buffersize = buffersize; |
ef8b32ef9793
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Eli Gottlieb <eligottlieb@gmail.com>
parents:
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72 if(data->shapebuffer != NULL) |
ef8b32ef9793
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73 free(data->shapebuffer); |
ef8b32ef9793
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74 data->shapebuffer = malloc(data->buffersize); |
ef8b32ef9793
Updated test code, updated win32 code a bit (still not complete, but hopefully tonight), and removed the last vestiges of ellipse and polygon drawing support.
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parents:
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75 if(data->shapebuffer == NULL) { |
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76 SDL_SetError("Could not allocate memory for shaped-window bitmap."); |
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77 return -1; |
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78 } |
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79 } |
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parents:
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80 |
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81 window->shaper->usershownflag = window->flags & SDL_WINDOW_SHOWN; |
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82 |
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83 return 0; |
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84 } |