summaryrefslogtreecommitdiff
path: root/os/macosx/splash.c
diff options
context:
space:
mode:
Diffstat (limited to 'os/macosx/splash.c')
-rw-r--r--os/macosx/splash.c144
1 files changed, 0 insertions, 144 deletions
diff --git a/os/macosx/splash.c b/os/macosx/splash.c
deleted file mode 100644
index 46a19b1a6..000000000
--- a/os/macosx/splash.c
+++ /dev/null
@@ -1,144 +0,0 @@
-/* $Id$ */
-
-#include "../../stdafx.h"
-#include "../../openttd.h"
-#include "../../variables.h"
-#include "../../macros.h"
-#include "../../debug.h"
-#include "../../functions.h"
-#include "../../gfx.h"
-#include "../../fileio.h"
-
-#include "splash.h"
-
-#ifdef WITH_PNG
-
-#include <png.h>
-
-static void PNGAPI png_my_error(png_structp png_ptr, png_const_charp message)
-{
- DEBUG(misc, 0, "[libpng] error: %s - %s", message, (char *)png_get_error_ptr(png_ptr));
- longjmp(png_ptr->jmpbuf, 1);
-}
-
-static void PNGAPI png_my_warning(png_structp png_ptr, png_const_charp message)
-{
- DEBUG(misc, 1, "[libpng] warning: %s - %s", message, (char *)png_get_error_ptr(png_ptr));
-}
-
-void DisplaySplashImage(void)
-{
- png_byte header[8];
- FILE *f;
- png_structp png_ptr;
- png_infop info_ptr, end_info;
- uint width, height, bit_depth, color_type;
- png_colorp palette;
- int num_palette;
- png_bytep *row_pointers;
- uint8 *src, *dst;
- uint y;
- uint xoff, yoff;
- int i;
-
- f = FioFOpenFile(SPLASH_IMAGE_FILE);
- if (f == NULL) return;
-
- fread(header, 1, 8, f);
- if (png_sig_cmp(header, 0, 8) != 0) {
- fclose(f);
- return;
- }
-
- png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, (png_voidp) NULL, png_my_error, png_my_warning);
-
- if (png_ptr == NULL) {
- fclose(f);
- return;
- }
-
- info_ptr = png_create_info_struct(png_ptr);
- if (info_ptr == NULL) {
- png_destroy_read_struct(&png_ptr, (png_infopp)NULL, (png_infopp)NULL);
- fclose(f);
- return;
- }
-
- end_info = png_create_info_struct(png_ptr);
- if (end_info == NULL) {
- png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL);
- fclose(f);
- return;
- }
-
- if (setjmp(png_jmpbuf(png_ptr))) {
- png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
- fclose(f);
- return;
- }
-
- png_init_io(png_ptr, f);
- png_set_sig_bytes(png_ptr, 8);
-
- png_read_png(png_ptr, info_ptr, PNG_TRANSFORM_IDENTITY, NULL);
-
- width = png_get_image_width(png_ptr, info_ptr);
- height = png_get_image_height(png_ptr, info_ptr);
- bit_depth = png_get_bit_depth(png_ptr, info_ptr);
- color_type = png_get_color_type(png_ptr, info_ptr);
-
- if (color_type != PNG_COLOR_TYPE_PALETTE || bit_depth != 8) {
- png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
- fclose(f);
- return;
- }
-
- if (!png_get_valid(png_ptr, info_ptr, PNG_INFO_PLTE)) {
- png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
- fclose(f);
- return;
- }
-
- png_get_PLTE(png_ptr, info_ptr, &palette, &num_palette);
-
- row_pointers = png_get_rows(png_ptr, info_ptr);
-
- memset(_screen.dst_ptr, 0xff, _screen.pitch * _screen.height);
-
- if (width > (uint) _screen.width) width = _screen.width;
- if (height > (uint) _screen.height) height = _screen.height;
-
- xoff = (_screen.width - width) / 2;
- yoff = (_screen.height - height) / 2;
- for (y = 0; y < height; y++) {
- src = row_pointers[y];
- dst = ((uint8 *) _screen.dst_ptr) + (yoff + y) * _screen.pitch + xoff;
-
- memcpy(dst, src, width);
- }
-
- for (i = 0; i < num_palette; i++) {
- _cur_palette[i].r = palette[i].red;
- _cur_palette[i].g = palette[i].green;
- _cur_palette[i].b = palette[i].blue;
- }
-
- _cur_palette[0xff].r = 0;
- _cur_palette[0xff].g = 0;
- _cur_palette[0xff].b = 0;
-
- _pal_first_dirty = 0;
- _pal_last_dirty = 0xff;
-
- png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
- fclose(f);
- return;
-}
-
-
-
-#else /* WITH_PNG */
-
-void DisplaySplashImage(void) {}
-
-#endif /* WITH_PNG */