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-rw-r--r--src/spritecache.cpp25
-rw-r--r--src/spriteloader/png.cpp222
-rw-r--r--src/spriteloader/png.hpp23
3 files changed, 0 insertions, 270 deletions
diff --git a/src/spritecache.cpp b/src/spritecache.cpp
index 59b04a4d7..d4f23d0e0 100644
--- a/src/spritecache.cpp
+++ b/src/spritecache.cpp
@@ -15,9 +15,6 @@
#include "gfx_func.h"
#include "zoom_func.h"
#include "settings_type.h"
-#ifdef WITH_PNG
-#include "spriteloader/png.hpp"
-#endif /* WITH_PNG */
#include "blitter/factory.hpp"
#include "core/math_func.hpp"
#include "core/mem_func.hpp"
@@ -386,28 +383,6 @@ static void *ReadSprite(const SpriteCache *sc, SpriteID id, SpriteType sprite_ty
uint8 sprite_avail = 0;
sprite[ZOOM_LVL_NORMAL].type = sprite_type;
- if (sprite_type == ST_NORMAL && BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth() == 32) {
-#ifdef WITH_PNG
- /* Try loading 32bpp graphics in case we are 32bpp output */
- SpriteLoaderPNG sprite_loader;
-
- sprite_avail = sprite_loader.LoadSprite(sprite, file_slot, sc->id, sprite_type, true);
-
- if (sprite_avail != 0) {
- if (ResizeSprites(sprite, sprite_avail, file_slot, sc->id)) {
- return BlitterFactoryBase::GetCurrentBlitter()->Encode(sprite, allocator);
- }
- }
- /* If the PNG couldn't be loaded, fall back to 8bpp grfs */
-#else
- static bool show_once = true;
- if (show_once) {
- DEBUG(misc, 0, "You are running a 32bpp blitter, but this build is without libpng support; falling back to 8bpp graphics");
- show_once = false;
- }
-#endif /* WITH_PNG */
- }
-
SpriteLoaderGrf sprite_loader(sc->container_ver);
if (sprite_type != ST_MAPGEN && BlitterFactoryBase::GetCurrentBlitter()->GetScreenDepth() == 32) {
/* Try for 32bpp sprites first. */
diff --git a/src/spriteloader/png.cpp b/src/spriteloader/png.cpp
deleted file mode 100644
index 0c65ffc6f..000000000
--- a/src/spriteloader/png.cpp
+++ /dev/null
@@ -1,222 +0,0 @@
-/* $Id$ */
-
-/*
- * This file is part of OpenTTD.
- * 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.
- * 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.
- * 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/>.
- */
-
-/** @file png.cpp Reading sprites from png files. */
-
-#ifdef WITH_PNG
-
-#include "../stdafx.h"
-#include "../fileio_func.h"
-#include "../debug.h"
-#include "png.hpp"
-#include <png.h>
-
-#define PNG_SLOT 62
-
-static void PNGAPI png_my_read(png_structp png_ptr, png_bytep data, png_size_t length)
-{
- FioReadBlock(data, length);
-}
-
-static void PNGAPI png_my_error(png_structp png_ptr, png_const_charp message)
-{
- DEBUG(sprite, 0, "ERROR (libpng): %s - %s", message, (char *)png_get_error_ptr(png_ptr));
- longjmp(png_jmpbuf(png_ptr), 1);
-}
-
-static void PNGAPI png_my_warning(png_structp png_ptr, png_const_charp message)
-{
- DEBUG(sprite, 0, "WARNING (libpng): %s - %s", message, (char *)png_get_error_ptr(png_ptr));
-}
-
-static bool OpenPNGFile(const char *filename, uint32 id, bool mask)
-{
- char png_file[MAX_PATH];
-
- /* Add path separator after 'sprites' if not present */
- const char *sep = (filename[0] == PATHSEPCHAR) ? "" : PATHSEP;
- snprintf(png_file, sizeof(png_file), "sprites%s%s" PATHSEP "%d%s.png", sep, filename, id, mask ? "m" : "");
- if (FioCheckFileExists(png_file, NEWGRF_DIR)) {
- FioOpenFile(PNG_SLOT, png_file, NEWGRF_DIR);
- return true;
- }
-
- /* TODO -- Add TAR support */
- return false;
-}
-
-static bool LoadPNG(SpriteLoader::Sprite *sprite, const char *filename, uint32 id, volatile bool mask, ZoomLevel zoom)
-{
- png_byte header[8];
- png_structp png_ptr;
- png_infop info_ptr, end_info;
- uint bit_depth, colour_type;
- uint i, pixelsize;
- SpriteLoader::CommonPixel *dst;
-
- if (!OpenPNGFile(filename, id, mask)) return mask; // If mask is true, and file not found, continue true anyway, as it isn't a show-stopper
-
- /* Check the header */
- FioReadBlock(header, 8);
- if (png_sig_cmp(header, 0, 8) != 0) return false;
-
- /* Create the reader */
- png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, (png_voidp)NULL, png_my_error, png_my_warning);
- if (png_ptr == NULL) return false;
-
- /* Create initial stuff */
- info_ptr = png_create_info_struct(png_ptr);
- if (info_ptr == NULL) {
- png_destroy_read_struct(&png_ptr, (png_infopp)NULL, (png_infopp)NULL);
- return false;
- }
- end_info = png_create_info_struct(png_ptr);
- if (end_info == NULL) {
- png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL);
- return false;
- }
-
- /* Make sure that upon error, we can clean up graceful */
- if (setjmp(png_jmpbuf(png_ptr))) {
- png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
- return false;
- }
-
- /* Read the file */
- png_set_read_fn(png_ptr, NULL, png_my_read);
- png_set_sig_bytes(png_ptr, 8);
-
- png_read_info(png_ptr, info_ptr);
-
- if (!mask) {
- /* Read the text chunks */
- png_textp text_ptr;
- int num_text = 0;
- png_get_text(png_ptr, info_ptr, &text_ptr, &num_text);
- if (num_text == 0) DEBUG(misc, 0, "Warning: PNG Sprite '%s/%d.png' doesn't have x_offs and y_offs; expect graphical problems", filename, id);
- for (int i = 0; i < num_text; i++) {
- /* x_offs and y_offs are in the text-chunk of PNG */
- if (strcmp("x_offs", text_ptr[i].key) == 0) sprite->x_offs = strtol(text_ptr[i].text, NULL, 0);
- if (strcmp("y_offs", text_ptr[i].key) == 0) sprite->y_offs = strtol(text_ptr[i].text, NULL, 0);
- }
-
- uint height = png_get_image_height(png_ptr, info_ptr);
- uint width = png_get_image_width(png_ptr, info_ptr);
- /* Check if sprite dimensions aren't larger than what is allowed in GRF-files. */
- if (height > UINT8_MAX || width > UINT16_MAX) {
- png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
- return false;
- }
- sprite->height = height;
- sprite->width = width;
- sprite->AllocateData(zoom, sprite->width * sprite->height);
- } else if (sprite->height != png_get_image_height(png_ptr, info_ptr) || sprite->width != png_get_image_width(png_ptr, info_ptr)) {
- /* Make sure the mask image isn't larger than the sprite image. */
- DEBUG(misc, 0, "Ignoring mask for SpriteID %d as it isn't the same dimension as the masked sprite", id);
- png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
- return true;
- }
-
- bit_depth = png_get_bit_depth(png_ptr, info_ptr);
- colour_type = png_get_color_type(png_ptr, info_ptr);
-
- if (mask && (bit_depth != 8 || colour_type != PNG_COLOR_TYPE_PALETTE)) {
- DEBUG(misc, 0, "Ignoring mask for SpriteID %d as it isn't a 8 bit palette image", id);
- png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
- return true;
- }
-
- bool win_palette = false;
- if (!mask) {
- if (bit_depth == 16) png_set_strip_16(png_ptr);
-
- if (colour_type == PNG_COLOR_TYPE_PALETTE) {
- png_set_palette_to_rgb(png_ptr);
- colour_type = PNG_COLOR_TYPE_RGB;
- }
- if (colour_type == PNG_COLOR_TYPE_GRAY || colour_type == PNG_COLOR_TYPE_GRAY_ALPHA) {
- png_set_gray_to_rgb(png_ptr);
- colour_type = PNG_COLOR_TYPE_RGB;
- }
-
- if (colour_type == PNG_COLOR_TYPE_RGB) {
- if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) {
- /* Create an alpha channel when there is a tRNS chunk */
- png_set_tRNS_to_alpha(png_ptr);
- } else {
- png_set_filler(png_ptr, 0xff, PNG_FILLER_AFTER);
- }
- }
-
- pixelsize = sizeof(uint32);
- } else {
- pixelsize = sizeof(uint8);
-
- /* Check whether the DOS greyscale is in place. If not, we assume WIN palette */
- png_colorp palette;
- int num_palette;
- if (png_get_PLTE(png_ptr, info_ptr, &palette, &num_palette) && num_palette == 256) {
- for (uint i = 3; i <= 5; i++) {
- /* Allow differences between -4 and +4 */
- uint8 intensity = i * 16 - 4;
- uint8 diff_r = palette[i].red - intensity;
- uint8 diff_g = palette[i].green - intensity;
- uint8 diff_b = palette[i].blue - intensity;
- if (diff_r > 8 || diff_g > 8 || diff_b > 8) {
- win_palette = true;
- break;
- }
- }
- }
- }
-
- png_bytep row_pointer = AllocaM(png_byte, png_get_image_width(png_ptr, info_ptr) * pixelsize);
-
- for (i = 0; i < png_get_image_height(png_ptr, info_ptr); i++) {
- png_read_row(png_ptr, row_pointer, NULL);
-
- dst = sprite->data + i * png_get_image_width(png_ptr, info_ptr);
-
- for (uint x = 0; x < png_get_image_width(png_ptr, info_ptr); x++) {
- if (mask) {
- if (row_pointer[x * sizeof(uint8)] != 0) {
- /* Alpha channel is used from the original image (to allow transparency in remap colours) */
- extern const byte _palmap_w2d[];
- byte colour = row_pointer[x * sizeof(uint8)];
- dst[x].m = win_palette ? _palmap_w2d[colour] : colour;
- }
- } else {
- dst[x].r = row_pointer[x * sizeof(uint32) + 0];
- dst[x].g = row_pointer[x * sizeof(uint32) + 1];
- dst[x].b = row_pointer[x * sizeof(uint32) + 2];
- dst[x].a = row_pointer[x * sizeof(uint32) + 3];
- dst[x].m = 0;
- }
- }
- }
-
- png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
-
- return true;
-}
-
-uint8 SpriteLoaderPNG::LoadSprite(SpriteLoader::Sprite *sprite, uint8 file_slot, size_t file_pos, SpriteType sprite_type, bool load_32bpp)
-{
- if (!load_32bpp) return 0;
-
- ZoomLevel zoom_lvl = (sprite_type == ST_NORMAL) ? ZOOM_LVL_OUT_4X : ZOOM_LVL_NORMAL;
-
- const char *filename = FioGetFilename(file_slot);
- if (!LoadPNG(&sprite[zoom_lvl], filename, (uint32)file_pos, false, zoom_lvl)) return 0;
- if (!LoadPNG(&sprite[zoom_lvl], filename, (uint32)file_pos, true, zoom_lvl)) return 0;
-
- return 1 << zoom_lvl;
-}
-
-#endif /* WITH_PNG */
diff --git a/src/spriteloader/png.hpp b/src/spriteloader/png.hpp
deleted file mode 100644
index 425904af6..000000000
--- a/src/spriteloader/png.hpp
+++ /dev/null
@@ -1,23 +0,0 @@
-/* $Id$ */
-
-/*
- * This file is part of OpenTTD.
- * 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.
- * 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.
- * 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/>.
- */
-
-/** @file png.hpp Base for reading files from PNG. */
-
-#ifndef SPRITELOADER_PNG_HPP
-#define SPRITELOADER_PNG_HPP
-
-#include "spriteloader.hpp"
-
-/** Sprite loader for graphics coming from a PNG image. */
-class SpriteLoaderPNG : public SpriteLoader {
-public:
- uint8 LoadSprite(SpriteLoader::Sprite *sprite, uint8 file_slot, size_t file_pos, SpriteType sprite_type, bool load_32bpp);
-};
-
-#endif /* SPRITELOADER_PNG_HPP */