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annotate src/os/macosx/splash.cpp @ 20729:ea20edff1862 draft default tip master

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(svn r25643) -Fix (r25480): [OSX] Define version constants before they're used
author planetmaker <planetmaker@openttd.org>
date Wed, 31 Jul 2013 18:50:01 +0000 (2013-07-31)
parents 8ac2645a140c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /* $Id$ */
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2
12778
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3 /*
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4 * This file is part of OpenTTD.
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5 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
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6 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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7 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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8 */
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9
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10 /** @file splash.cpp Splash screen support for OSX. */
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11
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12 #include "../../stdafx.h"
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13 #include "../../openttd.h"
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14 #include "../../debug.h"
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15 #include "../../gfx_func.h"
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16 #include "../../fileio_func.h"
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6810bd9fc1dc (svn r11342) -Fix: [OSX] The cocoa driver incorrectly assumed that the blitter always was 8bpp. Now both 8bpp and 32bpp blitters can be used. The driver will check the blitter screen depth. In fullscreen it will select a proper video mode for this depth, and in windowed mode it will simply skip doing fake 8bpp.
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17 #include "../../blitter/factory.hpp"
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18 #include "../../core/mem_func.hpp"
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20 #include "splash.h"
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22 #ifdef WITH_PNG
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24 #include <png.h>
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25
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26 /**
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27 * Handle pnglib error.
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28 *
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29 * @param png_ptr Pointer to png struct.
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30 * @param message Error message text.
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31 */
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32 static void PNGAPI png_my_error(png_structp png_ptr, png_const_charp message)
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33 {
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34 DEBUG(misc, 0, "[libpng] error: %s - %s", message, (char *)png_get_error_ptr(png_ptr));
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35 longjmp(png_jmpbuf(png_ptr), 1);
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36 }
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37
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38 /**
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39 * Handle warning in pnglib.
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40 *
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41 * @param png_ptr Pointer to png struct.
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42 * @param message Warning message text.
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43 */
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44 static void PNGAPI png_my_warning(png_structp png_ptr, png_const_charp message)
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45 {
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46 DEBUG(misc, 1, "[libpng] warning: %s - %s", message, (char *)png_get_error_ptr(png_ptr));
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47 }
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48
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49 /**
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50 * Display a splash image shown on startup (WITH_PNG).
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51 */
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52 void DisplaySplashImage()
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53 {
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54 FILE *f = FioFOpenFile(SPLASH_IMAGE_FILE, "r", BASESET_DIR);
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55 if (f == NULL) return;
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56
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57 png_byte header[8];
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58 fread(header, sizeof(png_byte), 8, f);
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59 if (png_sig_cmp(header, 0, 8) != 0) {
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60 fclose(f);
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61 return;
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62 }
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63
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64 png_structp png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, (png_voidp) NULL, png_my_error, png_my_warning);
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65
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66 if (png_ptr == NULL) {
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67 fclose(f);
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68 return;
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69 }
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70
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71 png_infop info_ptr = png_create_info_struct(png_ptr);
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72 if (info_ptr == NULL) {
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73 png_destroy_read_struct(&png_ptr, (png_infopp)NULL, (png_infopp)NULL);
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74 fclose(f);
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75 return;
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76 }
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77
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78 png_infop end_info = png_create_info_struct(png_ptr);
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79 if (end_info == NULL) {
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80 png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL);
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81 fclose(f);
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82 return;
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83 }
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84
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85 if (setjmp(png_jmpbuf(png_ptr))) {
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86 png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
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87 fclose(f);
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88 return;
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89 }
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90
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91 png_init_io(png_ptr, f);
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92 png_set_sig_bytes(png_ptr, 8);
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94 png_read_png(png_ptr, info_ptr, PNG_TRANSFORM_IDENTITY, NULL);
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95
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96 uint width = png_get_image_width(png_ptr, info_ptr);
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97 uint height = png_get_image_height(png_ptr, info_ptr);
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98 uint bit_depth = png_get_bit_depth(png_ptr, info_ptr);
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99 uint color_type = png_get_color_type(png_ptr, info_ptr);
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100
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101 if (color_type != PNG_COLOR_TYPE_PALETTE || bit_depth != 8) {
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102 png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
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103 fclose(f);
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104 return;
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105 }
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107 if (!png_get_valid(png_ptr, info_ptr, PNG_INFO_PLTE)) {
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parents:
diff changeset
108 png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
109 fclose(f);
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
110 return;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
111 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
112
13363
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smatz <smatz@openttd.org>
parents: 13362
diff changeset
113 png_colorp palette;
4263b5bd13da (svn r17872) -Codechange: apply coding style to splash.cpp
smatz <smatz@openttd.org>
parents: 13362
diff changeset
114 int num_palette;
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
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parents:
diff changeset
115 png_get_PLTE(png_ptr, info_ptr, &palette, &num_palette);
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
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parents:
diff changeset
116
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smatz <smatz@openttd.org>
parents: 13362
diff changeset
117 png_bytep *row_pointers = png_get_rows(png_ptr, info_ptr);
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
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parents:
diff changeset
118
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parents:
diff changeset
119 if (width > (uint) _screen.width) width = _screen.width;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
120 if (height > (uint) _screen.height) height = _screen.height;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
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parents:
diff changeset
121
13363
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smatz <smatz@openttd.org>
parents: 13362
diff changeset
122 uint xoff = (_screen.width - width) / 2;
4263b5bd13da (svn r17872) -Codechange: apply coding style to splash.cpp
smatz <smatz@openttd.org>
parents: 13362
diff changeset
123 uint yoff = (_screen.height - height) / 2;
7792
6810bd9fc1dc (svn r11342) -Fix: [OSX] The cocoa driver incorrectly assumed that the blitter always was 8bpp. Now both 8bpp and 32bpp blitters can be used. The driver will check the blitter screen depth. In fullscreen it will select a proper video mode for this depth, and in windowed mode it will simply skip doing fake 8bpp.
egladil <egladil@openttd.org>
parents: 7392
diff changeset
124
6810bd9fc1dc (svn r11342) -Fix: [OSX] The cocoa driver incorrectly assumed that the blitter always was 8bpp. Now both 8bpp and 32bpp blitters can be used. The driver will check the blitter screen depth. In fullscreen it will select a proper video mode for this depth, and in windowed mode it will simply skip doing fake 8bpp.
egladil <egladil@openttd.org>
parents: 7392
diff changeset
125 switch (BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth()) {
6810bd9fc1dc (svn r11342) -Fix: [OSX] The cocoa driver incorrectly assumed that the blitter always was 8bpp. Now both 8bpp and 32bpp blitters can be used. The driver will check the blitter screen depth. In fullscreen it will select a proper video mode for this depth, and in windowed mode it will simply skip doing fake 8bpp.
egladil <egladil@openttd.org>
parents: 7392
diff changeset
126 case 8: {
13362
b14687ab0a88 (svn r17871) -Fix (r11342): memset() accepts only 1-byte argument
smatz <smatz@openttd.org>
parents: 12778
diff changeset
127 uint8 *dst_ptr = (uint8 *)_screen.dst_ptr;
b14687ab0a88 (svn r17871) -Fix (r11342): memset() accepts only 1-byte argument
smatz <smatz@openttd.org>
parents: 12778
diff changeset
128 /* Initialize buffer */
b14687ab0a88 (svn r17871) -Fix (r11342): memset() accepts only 1-byte argument
smatz <smatz@openttd.org>
parents: 12778
diff changeset
129 MemSetT(dst_ptr, 0xff, _screen.pitch * _screen.height);
5584
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diff changeset
130
13363
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parents: 13362
diff changeset
131 for (uint y = 0; y < height; y++) {
13362
b14687ab0a88 (svn r17871) -Fix (r11342): memset() accepts only 1-byte argument
smatz <smatz@openttd.org>
parents: 12778
diff changeset
132 uint8 *src = row_pointers[y];
b14687ab0a88 (svn r17871) -Fix (r11342): memset() accepts only 1-byte argument
smatz <smatz@openttd.org>
parents: 12778
diff changeset
133 uint8 *dst = dst_ptr + (yoff + y) * _screen.pitch + xoff;
7792
6810bd9fc1dc (svn r11342) -Fix: [OSX] The cocoa driver incorrectly assumed that the blitter always was 8bpp. Now both 8bpp and 32bpp blitters can be used. The driver will check the blitter screen depth. In fullscreen it will select a proper video mode for this depth, and in windowed mode it will simply skip doing fake 8bpp.
egladil <egladil@openttd.org>
parents: 7392
diff changeset
134
6810bd9fc1dc (svn r11342) -Fix: [OSX] The cocoa driver incorrectly assumed that the blitter always was 8bpp. Now both 8bpp and 32bpp blitters can be used. The driver will check the blitter screen depth. In fullscreen it will select a proper video mode for this depth, and in windowed mode it will simply skip doing fake 8bpp.
egladil <egladil@openttd.org>
parents: 7392
diff changeset
135 memcpy(dst, src, width);
6810bd9fc1dc (svn r11342) -Fix: [OSX] The cocoa driver incorrectly assumed that the blitter always was 8bpp. Now both 8bpp and 32bpp blitters can be used. The driver will check the blitter screen depth. In fullscreen it will select a proper video mode for this depth, and in windowed mode it will simply skip doing fake 8bpp.
egladil <egladil@openttd.org>
parents: 7392
diff changeset
136 }
6810bd9fc1dc (svn r11342) -Fix: [OSX] The cocoa driver incorrectly assumed that the blitter always was 8bpp. Now both 8bpp and 32bpp blitters can be used. The driver will check the blitter screen depth. In fullscreen it will select a proper video mode for this depth, and in windowed mode it will simply skip doing fake 8bpp.
egladil <egladil@openttd.org>
parents: 7392
diff changeset
137
13363
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smatz <smatz@openttd.org>
parents: 13362
diff changeset
138 for (int i = 0; i < num_palette; i++) {
18599
8ac2645a140c (svn r23446) -Codechange: move _cur_palette and it's related first/count dirty variables into a single structure
rubidium <rubidium@openttd.org>
parents: 18092
diff changeset
139 _cur_palette.palette[i].a = i == 0 ? 0 : 0xff;
8ac2645a140c (svn r23446) -Codechange: move _cur_palette and it's related first/count dirty variables into a single structure
rubidium <rubidium@openttd.org>
parents: 18092
diff changeset
140 _cur_palette.palette[i].r = palette[i].red;
8ac2645a140c (svn r23446) -Codechange: move _cur_palette and it's related first/count dirty variables into a single structure
rubidium <rubidium@openttd.org>
parents: 18092
diff changeset
141 _cur_palette.palette[i].g = palette[i].green;
8ac2645a140c (svn r23446) -Codechange: move _cur_palette and it's related first/count dirty variables into a single structure
rubidium <rubidium@openttd.org>
parents: 18092
diff changeset
142 _cur_palette.palette[i].b = palette[i].blue;
7792
6810bd9fc1dc (svn r11342) -Fix: [OSX] The cocoa driver incorrectly assumed that the blitter always was 8bpp. Now both 8bpp and 32bpp blitters can be used. The driver will check the blitter screen depth. In fullscreen it will select a proper video mode for this depth, and in windowed mode it will simply skip doing fake 8bpp.
egladil <egladil@openttd.org>
parents: 7392
diff changeset
143 }
5584
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parents:
diff changeset
144
18599
8ac2645a140c (svn r23446) -Codechange: move _cur_palette and it's related first/count dirty variables into a single structure
rubidium <rubidium@openttd.org>
parents: 18092
diff changeset
145 _cur_palette.palette[0xff].a = 0xff;
8ac2645a140c (svn r23446) -Codechange: move _cur_palette and it's related first/count dirty variables into a single structure
rubidium <rubidium@openttd.org>
parents: 18092
diff changeset
146 _cur_palette.palette[0xff].r = 0;
8ac2645a140c (svn r23446) -Codechange: move _cur_palette and it's related first/count dirty variables into a single structure
rubidium <rubidium@openttd.org>
parents: 18092
diff changeset
147 _cur_palette.palette[0xff].g = 0;
8ac2645a140c (svn r23446) -Codechange: move _cur_palette and it's related first/count dirty variables into a single structure
rubidium <rubidium@openttd.org>
parents: 18092
diff changeset
148 _cur_palette.palette[0xff].b = 0;
7792
6810bd9fc1dc (svn r11342) -Fix: [OSX] The cocoa driver incorrectly assumed that the blitter always was 8bpp. Now both 8bpp and 32bpp blitters can be used. The driver will check the blitter screen depth. In fullscreen it will select a proper video mode for this depth, and in windowed mode it will simply skip doing fake 8bpp.
egladil <egladil@openttd.org>
parents: 7392
diff changeset
149
18599
8ac2645a140c (svn r23446) -Codechange: move _cur_palette and it's related first/count dirty variables into a single structure
rubidium <rubidium@openttd.org>
parents: 18092
diff changeset
150 _cur_palette.first_dirty = 0;
8ac2645a140c (svn r23446) -Codechange: move _cur_palette and it's related first/count dirty variables into a single structure
rubidium <rubidium@openttd.org>
parents: 18092
diff changeset
151 _cur_palette.count_dirty = 256;
15628
84f84dbcec20 (svn r20291) -Codechange: Unify break coding style.
alberth <alberth@openttd.org>
parents: 15533
diff changeset
152 break;
7792
6810bd9fc1dc (svn r11342) -Fix: [OSX] The cocoa driver incorrectly assumed that the blitter always was 8bpp. Now both 8bpp and 32bpp blitters can be used. The driver will check the blitter screen depth. In fullscreen it will select a proper video mode for this depth, and in windowed mode it will simply skip doing fake 8bpp.
egladil <egladil@openttd.org>
parents: 7392
diff changeset
153 }
6810bd9fc1dc (svn r11342) -Fix: [OSX] The cocoa driver incorrectly assumed that the blitter always was 8bpp. Now both 8bpp and 32bpp blitters can be used. The driver will check the blitter screen depth. In fullscreen it will select a proper video mode for this depth, and in windowed mode it will simply skip doing fake 8bpp.
egladil <egladil@openttd.org>
parents: 7392
diff changeset
154 case 32: {
13362
b14687ab0a88 (svn r17871) -Fix (r11342): memset() accepts only 1-byte argument
smatz <smatz@openttd.org>
parents: 12778
diff changeset
155 uint32 *dst_ptr = (uint32 *)_screen.dst_ptr;
b14687ab0a88 (svn r17871) -Fix (r11342): memset() accepts only 1-byte argument
smatz <smatz@openttd.org>
parents: 12778
diff changeset
156 /* Initialize buffer */
b14687ab0a88 (svn r17871) -Fix (r11342): memset() accepts only 1-byte argument
smatz <smatz@openttd.org>
parents: 12778
diff changeset
157 MemSetT(dst_ptr, 0, _screen.pitch * _screen.height);
7792
6810bd9fc1dc (svn r11342) -Fix: [OSX] The cocoa driver incorrectly assumed that the blitter always was 8bpp. Now both 8bpp and 32bpp blitters can be used. The driver will check the blitter screen depth. In fullscreen it will select a proper video mode for this depth, and in windowed mode it will simply skip doing fake 8bpp.
egladil <egladil@openttd.org>
parents: 7392
diff changeset
158
13363
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parents: 13362
diff changeset
159 for (uint y = 0; y < height; y++) {
13362
b14687ab0a88 (svn r17871) -Fix (r11342): memset() accepts only 1-byte argument
smatz <smatz@openttd.org>
parents: 12778
diff changeset
160 uint8 *src = row_pointers[y];
b14687ab0a88 (svn r17871) -Fix (r11342): memset() accepts only 1-byte argument
smatz <smatz@openttd.org>
parents: 12778
diff changeset
161 uint32 *dst = dst_ptr + (yoff + y) * _screen.pitch + xoff;
5584
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KUDr <KUDr@openttd.org>
parents:
diff changeset
162
13363
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smatz <smatz@openttd.org>
parents: 13362
diff changeset
163 for (uint x = 0; x < width; x++) {
7792
6810bd9fc1dc (svn r11342) -Fix: [OSX] The cocoa driver incorrectly assumed that the blitter always was 8bpp. Now both 8bpp and 32bpp blitters can be used. The driver will check the blitter screen depth. In fullscreen it will select a proper video mode for this depth, and in windowed mode it will simply skip doing fake 8bpp.
egladil <egladil@openttd.org>
parents: 7392
diff changeset
164 dst[x] = palette[src[x]].blue | (palette[src[x]].green << 8) | (palette[src[x]].red << 16) | 0xff000000;
13362
b14687ab0a88 (svn r17871) -Fix (r11342): memset() accepts only 1-byte argument
smatz <smatz@openttd.org>
parents: 12778
diff changeset
165 }
7792
6810bd9fc1dc (svn r11342) -Fix: [OSX] The cocoa driver incorrectly assumed that the blitter always was 8bpp. Now both 8bpp and 32bpp blitters can be used. The driver will check the blitter screen depth. In fullscreen it will select a proper video mode for this depth, and in windowed mode it will simply skip doing fake 8bpp.
egladil <egladil@openttd.org>
parents: 7392
diff changeset
166 }
15628
84f84dbcec20 (svn r20291) -Codechange: Unify break coding style.
alberth <alberth@openttd.org>
parents: 15533
diff changeset
167 break;
7792
6810bd9fc1dc (svn r11342) -Fix: [OSX] The cocoa driver incorrectly assumed that the blitter always was 8bpp. Now both 8bpp and 32bpp blitters can be used. The driver will check the blitter screen depth. In fullscreen it will select a proper video mode for this depth, and in windowed mode it will simply skip doing fake 8bpp.
egladil <egladil@openttd.org>
parents: 7392
diff changeset
168 }
6810bd9fc1dc (svn r11342) -Fix: [OSX] The cocoa driver incorrectly assumed that the blitter always was 8bpp. Now both 8bpp and 32bpp blitters can be used. The driver will check the blitter screen depth. In fullscreen it will select a proper video mode for this depth, and in windowed mode it will simply skip doing fake 8bpp.
egladil <egladil@openttd.org>
parents: 7392
diff changeset
169 }
5584
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KUDr <KUDr@openttd.org>
parents:
diff changeset
170
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
171 png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
172 fclose(f);
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
173 return;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
174 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
175
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
176
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
177
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KUDr <KUDr@openttd.org>
parents:
diff changeset
178 #else /* WITH_PNG */
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parents:
diff changeset
179
17882
28b460d98826 (svn r22678) -Doc: More doxygen sprinkles in MacOSX code and cocoa video driver
planetmaker <planetmaker@openttd.org>
parents: 16434
diff changeset
180 /**
28b460d98826 (svn r22678) -Doc: More doxygen sprinkles in MacOSX code and cocoa video driver
planetmaker <planetmaker@openttd.org>
parents: 16434
diff changeset
181 * Empty 'Display a splash image' routine (WITHOUT_PNG).
28b460d98826 (svn r22678) -Doc: More doxygen sprinkles in MacOSX code and cocoa video driver
planetmaker <planetmaker@openttd.org>
parents: 16434
diff changeset
182 */
6247
57363e064324 (svn r9050) -Codechange: Foo(void) -> Foo()
rubidium <rubidium@openttd.org>
parents: 5584
diff changeset
183 void DisplaySplashImage() {}
5584
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parents:
diff changeset
184
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parents:
diff changeset
185 #endif /* WITH_PNG */