/*
Copyright (C) 2003, 2010 - Wolfire Games
-Copyright (C) 2010-2016 - Lugaru contributors (see AUTHORS file)
+Copyright (C) 2010-2017 - Lugaru contributors (see AUTHORS file)
This file is part of Lugaru.
#include <stdio.h>
#include <zlib.h>
-extern bool visibleloading;
-
/* These two are needed for screenshot */
extern int kContextWidth;
extern int kContextHeight;
-static bool load_png(const char * fname, ImageRec & tex);
-static bool load_jpg(const char * fname, ImageRec & tex);
-static bool save_screenshot_png(const char * fname);
+static bool load_png(const char* fname, ImageRec& tex);
+static bool load_jpg(const char* fname, ImageRec& tex);
+static bool save_screenshot_png(const char* fname);
ImageRec::ImageRec()
{
- data = ( GLubyte* )malloc( 1024 * 1024 * 4 );
+ data = (GLubyte*)malloc(1024 * 1024 * 4);
}
ImageRec::~ImageRec()
data = NULL;
}
-bool load_image(const char *file_name, ImageRec &tex)
+bool load_image(const char* file_name, ImageRec& tex)
{
- if (visibleloading) {
- Game::LoadingScreen();
- }
+ Game::LoadingScreen();
- if ( tex.data == NULL ) {
+ if (tex.data == NULL) {
return false;
}
- const char *ptr = strrchr((char *)file_name, '.');
+ const char* ptr = strrchr((char*)file_name, '.');
if (ptr) {
if (strcasecmp(ptr + 1, "png") == 0) {
return load_png(file_name, tex);
return false;
}
-bool save_screenshot(const char *file_name)
+bool save_screenshot(const char* file_name)
{
- const char *ptr = strrchr((char *)file_name, '.');
+ const char* ptr = strrchr((char*)file_name, '.');
if (ptr) {
if (strcasecmp(ptr + 1, "png") == 0) {
return save_screenshot_png((Folders::getScreenshotDir() + '/' + file_name).c_str());
return false;
}
-struct my_error_mgr {
+struct my_error_mgr
+{
struct jpeg_error_mgr pub; /* "public" fields */
- jmp_buf setjmp_buffer; /* for return to caller */
+ jmp_buf setjmp_buffer; /* for return to caller */
};
-typedef struct my_error_mgr * my_error_ptr;
+typedef struct my_error_mgr* my_error_ptr;
static void my_error_exit(j_common_ptr cinfo)
{
- struct my_error_mgr *err = (struct my_error_mgr *)cinfo->err;
+ struct my_error_mgr* err = (struct my_error_mgr*)cinfo->err;
longjmp(err->setjmp_buffer, 1);
}
/* stolen from public domain example.c code in libjpg distribution. */
-static bool load_jpg(const char *file_name, ImageRec &tex)
+static bool load_jpg(const char* file_name, ImageRec& tex)
{
struct jpeg_decompress_struct cinfo;
struct my_error_mgr jerr;
JSAMPROW buffer[1]; /* Output row buffer */
- int row_stride; /* physical row width in output buffer */
- FILE *infile = fopen(file_name, "rb");
+ int row_stride; /* physical row width in output buffer */
+ errno = 0;
+ FILE* infile = fopen(file_name, "rb");
- if (infile == NULL)
+ if (infile == NULL) {
+ perror((std::string("Couldn't open file ") + file_name).c_str());
return false;
+ }
cinfo.err = jpeg_std_error(&jerr.pub);
jerr.pub.error_exit = my_error_exit;
jpeg_create_decompress(&cinfo);
jpeg_stdio_src(&cinfo, infile);
- (void) jpeg_read_header(&cinfo, TRUE);
+ (void)jpeg_read_header(&cinfo, TRUE);
cinfo.out_color_space = JCS_RGB;
- cinfo.quantize_colors = 0;
- (void) jpeg_calc_output_dimensions(&cinfo);
- (void) jpeg_start_decompress(&cinfo);
+ cinfo.quantize_colors = FALSE;
+ (void)jpeg_calc_output_dimensions(&cinfo);
+ (void)jpeg_start_decompress(&cinfo);
row_stride = cinfo.output_width * cinfo.output_components;
tex.sizeX = cinfo.output_width;
tex.bpp = 24;
while (cinfo.output_scanline < cinfo.output_height) {
- buffer[0] = (JSAMPROW)(char *)tex.data +
+ buffer[0] = (JSAMPROW)(char*)tex.data +
((cinfo.output_height - 1) - cinfo.output_scanline) * row_stride;
- (void) jpeg_read_scanlines(&cinfo, buffer, 1);
+ (void)jpeg_read_scanlines(&cinfo, buffer, 1);
}
- (void) jpeg_finish_decompress(&cinfo);
+ (void)jpeg_finish_decompress(&cinfo);
jpeg_destroy_decompress(&cinfo);
fclose(infile);
}
/* stolen from public domain example.c code in libpng distribution. */
-static bool load_png(const char *file_name, ImageRec &tex)
+static bool load_png(const char* file_name, ImageRec& tex)
{
bool hasalpha = false;
png_structp png_ptr = NULL;
png_uint_32 width, height;
int bit_depth, color_type, interlace_type;
bool retval = false;
- png_byte **row_pointers = NULL;
- FILE *fp = fopen(file_name, "rb");
+ png_byte** row_pointers = NULL;
+ errno = 0;
+ FILE* fp = fopen(file_name, "rb");
if (fp == NULL) {
- cerr << file_name << " not found" << endl;
+ perror((std::string("Couldn't open file ") + file_name).c_str());
return false;
}
png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
- if (png_ptr == NULL)
+ if (png_ptr == NULL) {
goto png_done;
+ }
info_ptr = png_create_info_struct(png_ptr);
- if (info_ptr == NULL)
+ if (info_ptr == NULL) {
goto png_done;
+ }
- if (setjmp(png_jmpbuf(png_ptr)))
+ if (setjmp(png_jmpbuf(png_ptr))) {
goto png_done;
+ }
png_init_io(png_ptr, fp);
png_read_png(png_ptr, info_ptr,
png_get_IHDR(png_ptr, info_ptr, &width, &height,
&bit_depth, &color_type, &interlace_type, NULL, NULL);
- if (bit_depth != 8) // transform SHOULD handle this...
+ if (bit_depth != 8) { // transform SHOULD handle this...
goto png_done;
+ }
- if (color_type & PNG_COLOR_MASK_PALETTE) // !!! FIXME?
+ if (color_type & PNG_COLOR_MASK_PALETTE) { // !!! FIXME?
goto png_done;
+ }
- if ((color_type & PNG_COLOR_MASK_COLOR) == 0) // !!! FIXME?
+ if ((color_type & PNG_COLOR_MASK_COLOR) == 0) { // !!! FIXME?
goto png_done;
+ }
hasalpha = ((color_type & PNG_COLOR_MASK_ALPHA) != 0);
row_pointers = png_get_rows(png_ptr, info_ptr);
- if (!row_pointers)
+ if (!row_pointers) {
goto png_done;
+ }
if (!hasalpha) {
- png_byte *dst = tex.data;
+ png_byte* dst = tex.data;
for (int i = height - 1; i >= 0; i--) {
- png_byte *src = row_pointers[i];
+ png_byte* src = row_pointers[i];
for (unsigned j = 0; j < width; j++) {
dst[0] = src[0];
dst[1] = src[1];
}
else {
- png_byte *dst = tex.data;
+ png_byte* dst = tex.data;
int pitch = width * 4;
- for (int i = height - 1; i >= 0; i--, dst += pitch)
+ for (int i = height - 1; i >= 0; i--, dst += pitch) {
memcpy(dst, row_pointers[i], pitch);
+ }
}
tex.sizeX = width;
cerr << "There was a problem loading " << file_name << endl;
}
png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
- if (fp)
+ if (fp) {
fclose(fp);
+ }
return (retval);
}
-static bool save_screenshot_png(const char *file_name)
+static bool save_screenshot_png(const char* file_name)
{
- FILE *fp = NULL;
+ FILE* fp = NULL;
png_structp png_ptr = NULL;
png_infop info_ptr = NULL;
bool retval = false;
+ errno = 0;
fp = fopen(file_name, "wb");
- if (fp == NULL)
+ if (fp == NULL) {
+ perror((std::string("Couldn't open file ") + file_name).c_str());
return false;
+ }
- png_bytep *row_pointers = new png_bytep[kContextHeight];
+ png_bytep* row_pointers = new png_bytep[kContextHeight];
png_bytep screenshot = new png_byte[kContextWidth * kContextHeight * 3];
- if ((!screenshot) || (!row_pointers))
+ if ((!screenshot) || (!row_pointers)) {
goto save_png_done;
+ }
glGetError();
glReadPixels(0, 0, kContextWidth, kContextHeight,
GL_RGB, GL_UNSIGNED_BYTE, screenshot);
- if (glGetError() != GL_NO_ERROR)
+ if (glGetError() != GL_NO_ERROR) {
goto save_png_done;
+ }
- for (int i = 0; i < kContextHeight; i++)
+ for (int i = 0; i < kContextHeight; i++) {
row_pointers[i] = screenshot + ((kContextWidth * ((kContextHeight - 1) - i)) * 3);
+ }
png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
- if (png_ptr == NULL)
+ if (png_ptr == NULL) {
goto save_png_done;
+ }
info_ptr = png_create_info_struct(png_ptr);
- if (info_ptr == NULL)
+ if (info_ptr == NULL) {
goto save_png_done;
+ }
- if (setjmp(png_jmpbuf(png_ptr)))
+ if (setjmp(png_jmpbuf(png_ptr))) {
goto save_png_done;
+ }
png_init_io(png_ptr, fp);
- if (setjmp(png_jmpbuf(png_ptr)))
+ if (setjmp(png_jmpbuf(png_ptr))) {
goto save_png_done;
+ }
png_set_IHDR(png_ptr, info_ptr, kContextWidth, kContextHeight,
8, PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
png_write_info(png_ptr, info_ptr);
- if (setjmp(png_jmpbuf(png_ptr)))
+ if (setjmp(png_jmpbuf(png_ptr))) {
goto save_png_done;
+ }
png_write_image(png_ptr, row_pointers);
- if (setjmp(png_jmpbuf(png_ptr)))
+ if (setjmp(png_jmpbuf(png_ptr))) {
goto save_png_done;
+ }
png_write_end(png_ptr, NULL);
retval = true;
png_destroy_write_struct(&png_ptr, &info_ptr);
delete[] screenshot;
delete[] row_pointers;
- if (fp)
+ if (fp) {
fclose(fp);
- if (!retval)
+ }
+ if (!retval) {
unlink(file_name);
+ }
return retval;
}
projects / lugaru.git / blobdiff