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annotate src/os/macosx/splash.cpp @ 15533:b6a87cffd56b draft

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(svn r20192) -Cleanup: bye bye variables.h, bye bye VARDEF... you won't be missed :)
author rubidium <rubidium@openttd.org>
date Mon, 19 Jul 2010 17:28:27 +0000
parents 4263b5bd13da
children 84f84dbcec20
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /* $Id$ */
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2
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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
9111
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10 /** @file splash.cpp Splash screen support for OSX. */
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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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26 static void PNGAPI png_my_error(png_structp png_ptr, png_const_charp message)
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27 {
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28 DEBUG(misc, 0, "[libpng] error: %s - %s", message, (char *)png_get_error_ptr(png_ptr));
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29 longjmp(png_ptr->jmpbuf, 1);
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30 }
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32 static void PNGAPI png_my_warning(png_structp png_ptr, png_const_charp message)
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33 {
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34 DEBUG(misc, 1, "[libpng] warning: %s - %s", message, (char *)png_get_error_ptr(png_ptr));
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35 }
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36
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37 void DisplaySplashImage()
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38 {
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39 FILE *f = FioFOpenFile(SPLASH_IMAGE_FILE);
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40 if (f == NULL) return;
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41
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42 png_byte header[8];
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43 fread(header, sizeof(png_byte), 8, f);
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44 if (png_sig_cmp(header, 0, 8) != 0) {
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45 fclose(f);
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46 return;
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47 }
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48
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49 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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51 if (png_ptr == NULL) {
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52 fclose(f);
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53 return;
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54 }
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55
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56 png_infop info_ptr = png_create_info_struct(png_ptr);
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57 if (info_ptr == NULL) {
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58 png_destroy_read_struct(&png_ptr, (png_infopp)NULL, (png_infopp)NULL);
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59 fclose(f);
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60 return;
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61 }
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62
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63 png_infop end_info = png_create_info_struct(png_ptr);
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64 if (end_info == NULL) {
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65 png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL);
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66 fclose(f);
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67 return;
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68 }
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69
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70 if (setjmp(png_jmpbuf(png_ptr))) {
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71 png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
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72 fclose(f);
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73 return;
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74 }
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76 png_init_io(png_ptr, f);
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77 png_set_sig_bytes(png_ptr, 8);
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79 png_read_png(png_ptr, info_ptr, PNG_TRANSFORM_IDENTITY, NULL);
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80
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81 uint width = png_get_image_width(png_ptr, info_ptr);
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82 uint height = png_get_image_height(png_ptr, info_ptr);
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83 uint bit_depth = png_get_bit_depth(png_ptr, info_ptr);
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84 uint color_type = png_get_color_type(png_ptr, info_ptr);
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85
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86 if (color_type != PNG_COLOR_TYPE_PALETTE || bit_depth != 8) {
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87 png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
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88 fclose(f);
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89 return;
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90 }
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92 if (!png_get_valid(png_ptr, info_ptr, PNG_INFO_PLTE)) {
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93 png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
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94 fclose(f);
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95 return;
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96 }
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97
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98 png_colorp palette;
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99 int num_palette;
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100 png_get_PLTE(png_ptr, info_ptr, &palette, &num_palette);
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101
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102 png_bytep *row_pointers = png_get_rows(png_ptr, info_ptr);
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103
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104 if (width > (uint) _screen.width) width = _screen.width;
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105 if (height > (uint) _screen.height) height = _screen.height;
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106
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smatz <smatz@openttd.org>
parents: 13362
diff changeset
107 uint xoff = (_screen.width - width) / 2;
4263b5bd13da (svn r17872) -Codechange: apply coding style to splash.cpp
smatz <smatz@openttd.org>
parents: 13362
diff changeset
108 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
109
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
110 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
111 case 8: {
13362
b14687ab0a88 (svn r17871) -Fix (r11342): memset() accepts only 1-byte argument
smatz <smatz@openttd.org>
parents: 12778
diff changeset
112 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
113 /* Initialize buffer */
b14687ab0a88 (svn r17871) -Fix (r11342): memset() accepts only 1-byte argument
smatz <smatz@openttd.org>
parents: 12778
diff changeset
114 MemSetT(dst_ptr, 0xff, _screen.pitch * _screen.height);
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
115
13363
4263b5bd13da (svn r17872) -Codechange: apply coding style to splash.cpp
smatz <smatz@openttd.org>
parents: 13362
diff changeset
116 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
117 uint8 *src = row_pointers[y];
b14687ab0a88 (svn r17871) -Fix (r11342): memset() accepts only 1-byte argument
smatz <smatz@openttd.org>
parents: 12778
diff changeset
118 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
119
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
120 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
121 }
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
122
13363
4263b5bd13da (svn r17872) -Codechange: apply coding style to splash.cpp
smatz <smatz@openttd.org>
parents: 13362
diff changeset
123 for (int i = 0; i < num_palette; i++) {
9551
8849c20f82c0 (svn r13571) -Codechange: define channels in struct Colour in different order on LE and BE machines
smatz <smatz@openttd.org>
parents: 9111
diff changeset
124 _cur_palette[i].a = i == 0 ? 0 : 0xff;
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
125 _cur_palette[i].r = palette[i].red;
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 _cur_palette[i].g = palette[i].green;
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
127 _cur_palette[i].b = palette[i].blue;
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
128 }
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
129
9551
8849c20f82c0 (svn r13571) -Codechange: define channels in struct Colour in different order on LE and BE machines
smatz <smatz@openttd.org>
parents: 9111
diff changeset
130 _cur_palette[0xff].a = 0xff;
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
131 _cur_palette[0xff].r = 0;
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
132 _cur_palette[0xff].g = 0;
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
133 _cur_palette[0xff].b = 0;
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 _pal_first_dirty = 0;
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 _pal_count_dirty = 256;
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 }
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
138 break;
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
139 case 32: {
13362
b14687ab0a88 (svn r17871) -Fix (r11342): memset() accepts only 1-byte argument
smatz <smatz@openttd.org>
parents: 12778
diff changeset
140 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
141 /* Initialize buffer */
b14687ab0a88 (svn r17871) -Fix (r11342): memset() accepts only 1-byte argument
smatz <smatz@openttd.org>
parents: 12778
diff changeset
142 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
143
13363
4263b5bd13da (svn r17872) -Codechange: apply coding style to splash.cpp
smatz <smatz@openttd.org>
parents: 13362
diff changeset
144 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
145 uint8 *src = row_pointers[y];
b14687ab0a88 (svn r17871) -Fix (r11342): memset() accepts only 1-byte argument
smatz <smatz@openttd.org>
parents: 12778
diff changeset
146 uint32 *dst = dst_ptr + (yoff + y) * _screen.pitch + xoff;
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
147
13363
4263b5bd13da (svn r17872) -Codechange: apply coding style to splash.cpp
smatz <smatz@openttd.org>
parents: 13362
diff changeset
148 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
149 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
150 }
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
151 }
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
152 }
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 break;
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 }
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
155
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
156 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
157 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
158 return;
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
159 }
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
160
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
161
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
162
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
163 #else /* WITH_PNG */
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
164
6247
57363e064324 (svn r9050) -Codechange: Foo(void) -> Foo()
rubidium <rubidium@openttd.org>
parents: 5584
diff changeset
165 void DisplaySplashImage() {}
5584
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
166
4b26bd55bd24 (svn r8033) [cpp] - Prepare for merge from branches/cpp (all .c files renamed to .cpp)
KUDr <KUDr@openttd.org>
parents:
diff changeset
167 #endif /* WITH_PNG */