Mercurial > sdl-ios-xcode
annotate src/video/win32/SDL_win32shape.c @ 4837:2e446923c9fb
Fixed lots of little bugs in Win32 shaping and in SDL_CalculateShapeTree(). Still not actually showing anything on Windows, though there's no crashes and everything compiles fine. Bugger.
author | egottlieb |
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date | Fri, 06 Aug 2010 20:22:14 -0400 |
parents | 55f32099a4b5 |
children | 05d172e92b52 |
rev | line source |
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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 |
4837
2e446923c9fb
Fixed lots of little bugs in Win32 shaping and in SDL_CalculateShapeTree(). Still not actually showing anything on Windows, though there's no crashes and everything compiles fine. Bugger.
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23 #include "SDL_assert.h" |
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24 #include "SDL_win32shape.h" |
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25 #include "SDL_win32video.h" |
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26 |
ef8b32ef9793
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27 SDL_WindowShaper* Win32_CreateShaper(SDL_Window * window) { |
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28 int resized_properly; |
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29 SDL_WindowShaper* result = (SDL_WindowShaper *)SDL_malloc(sizeof(SDL_WindowShaper)); |
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30 result->window = window; |
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Added color-key mode and redid the code to work with it.
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31 result->mode.mode = ShapeModeDefault; |
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32 result->mode.parameters.binarizationCutoff = 1; |
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33 result->usershownflag = 0; |
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34 result->driverdata = (SDL_ShapeData*)SDL_malloc(sizeof(SDL_ShapeData)); |
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35 ((SDL_ShapeData*)result->driverdata)->mask_tree = NULL; |
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36 //Put some driver-data here. |
ef8b32ef9793
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37 window->shaper = result; |
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38 resized_properly = Win32_ResizeWindowShape(window); |
93402b9dd20c
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39 if (resized_properly != 0) |
93402b9dd20c
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40 return NULL; |
93402b9dd20c
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Eli Gottlieb <eligottlieb@gmail.com>
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41 |
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42 return result; |
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>
parents:
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43 } |
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44 |
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45 void CombineRectRegions(SDL_ShapeTree* node, void* closure) { |
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46 HRGN* mask_region = (HRGN *)closure; |
4837
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Fixed lots of little bugs in Win32 shaping and in SDL_CalculateShapeTree(). Still not actually showing anything on Windows, though there's no crashes and everything compiles fine. Bugger.
egottlieb
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47 int combined = -1; |
4813
5b4c7d7d8953
Wrote out the system for breaking shape-masks into quad-trees of rectangles, and added code to conglomerate those quad-trees of rectangles into regions for setting shapes under Win32.
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48 if(node->kind == OpaqueShape) { |
5b4c7d7d8953
Wrote out the system for breaking shape-masks into quad-trees of rectangles, and added code to conglomerate those quad-trees of rectangles into regions for setting shapes under Win32.
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49 HRGN temp_region = CreateRectRgn(node->data.shape.x,node->data.shape.y,node->data.shape.w,node->data.shape.h); |
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Fixed lots of little bugs in Win32 shaping and in SDL_CalculateShapeTree(). Still not actually showing anything on Windows, though there's no crashes and everything compiles fine. Bugger.
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50 SDL_assert(temp_region != NULL); |
2e446923c9fb
Fixed lots of little bugs in Win32 shaping and in SDL_CalculateShapeTree(). Still not actually showing anything on Windows, though there's no crashes and everything compiles fine. Bugger.
egottlieb
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51 combined = CombineRgn(*mask_region,*mask_region,temp_region, RGN_OR); |
2e446923c9fb
Fixed lots of little bugs in Win32 shaping and in SDL_CalculateShapeTree(). Still not actually showing anything on Windows, though there's no crashes and everything compiles fine. Bugger.
egottlieb
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52 SDL_assert(combined == SIMPLEREGION || combined == COMPLEXREGION); |
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53 DeleteObject(temp_region); |
5b4c7d7d8953
Wrote out the system for breaking shape-masks into quad-trees of rectangles, and added code to conglomerate those quad-trees of rectangles into regions for setting shapes under Win32.
Eli Gottlieb <eligottlieb@gmail.com>
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54 } |
5b4c7d7d8953
Wrote out the system for breaking shape-masks into quad-trees of rectangles, and added code to conglomerate those quad-trees of rectangles into regions for setting shapes under Win32.
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parents:
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55 } |
5b4c7d7d8953
Wrote out the system for breaking shape-masks into quad-trees of rectangles, and added code to conglomerate those quad-trees of rectangles into regions for setting shapes under Win32.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
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56 |
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57 int Win32_SetWindowShape(SDL_WindowShaper *shaper,SDL_Surface *shape,SDL_WindowShapeMode *shapeMode) { |
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58 SDL_ShapeData *data; |
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59 HRGN mask_region; |
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60 SDL_WindowData *windowdata; |
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61 HWND hwnd; |
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62 |
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63 if (shaper == NULL || shape == NULL) |
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64 return SDL_INVALID_SHAPE_ARGUMENT; |
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65 if(shape->format->Amask == 0 && shapeMode->mode != ShapeModeColorKey || shape->w != shaper->window->w || shape->h != shaper->window->h) |
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66 return SDL_INVALID_SHAPE_ARGUMENT; |
5b4c7d7d8953
Wrote out the system for breaking shape-masks into quad-trees of rectangles, and added code to conglomerate those quad-trees of rectangles into regions for setting shapes under Win32.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
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67 |
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68 data = (SDL_ShapeData*)shaper->driverdata; |
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69 if(data->mask_tree != NULL) |
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70 SDL_FreeShapeTree(&data->mask_tree); |
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71 data->mask_tree = SDL_CalculateShapeTree(*shapeMode,shape); |
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Eli Gottlieb <eligottlieb@gmail.com>
parents:
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72 |
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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73 /* |
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>
parents:
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74 * Start with empty region |
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>
parents:
4777
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75 */ |
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76 mask_region = CreateRectRgn(0, 0, 0, 0); |
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77 |
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Wrote out the system for breaking shape-masks into quad-trees of rectangles, and added code to conglomerate those quad-trees of rectangles into regions for setting shapes under Win32.
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78 SDL_TraverseShapeTree(data->mask_tree,&CombineRectRegions,&mask_region); |
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79 |
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80 /* |
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81 * Set the new region mask for the window |
e25ad8d97027
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Eli Gottlieb <eligottlieb@gmail.com>
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82 */ |
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83 windowdata=(SDL_WindowData *)(shaper->window->driverdata); |
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84 hwnd = windowdata->hwnd; |
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85 SDL_assert(SetWindowRgn(hwnd, mask_region, TRUE) != 0); |
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parents:
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86 |
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87 return 0; |
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88 } |
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89 |
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90 int Win32_ResizeWindowShape(SDL_Window *window) { |
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91 SDL_ShapeData* data; |
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92 |
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93 if (window == NULL) |
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94 return -1; |
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95 data = (SDL_ShapeData *)window->shaper->driverdata; |
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96 if (data == NULL) |
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97 return -1; |
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parents:
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98 |
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parents:
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99 if(data->mask_tree != NULL) |
5b4c7d7d8953
Wrote out the system for breaking shape-masks into quad-trees of rectangles, and added code to conglomerate those quad-trees of rectangles into regions for setting shapes under Win32.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
4809
diff
changeset
|
100 SDL_FreeShapeTree(&data->mask_tree); |
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.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
4777
diff
changeset
|
101 |
4802
f14a8c05f5bb
Minor bugfixes. testshape now draws a shaped window with bizarre, pixellated gashes of transparency across it, and in doing so seems to hog a system resource and slow the rest of the video system down.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
4787
diff
changeset
|
102 window->shaper->usershownflag |= window->flags & SDL_WINDOW_SHOWN; |
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.
Eli Gottlieb <eligottlieb@gmail.com>
parents:
4777
diff
changeset
|
103 |
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>
parents:
4777
diff
changeset
|
104 return 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>
parents:
4777
diff
changeset
|
105 } |