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Diffstat (limited to 'plugingui/image.cc')
-rw-r--r--plugingui/image.cc47
1 files changed, 27 insertions, 20 deletions
diff --git a/plugingui/image.cc b/plugingui/image.cc
index 62234f3..817fe05 100644
--- a/plugingui/image.cc
+++ b/plugingui/image.cc
@@ -37,6 +37,9 @@
#include "resource.h"
// http://blog.hammerian.net/2009/reading-png-images-from-memory/
+#define PNG_PREFIX(x) dg_##x
+//#define PNG_PREFIX(x) x
+
typedef struct {
size_t p;
size_t size;
@@ -45,9 +48,11 @@ typedef struct {
static void dio_reader(png_structp png_ptr, png_bytep buf, png_size_t size)
{
- data_io_t *dio = (data_io_t *)png_get_io_ptr(png_ptr);
+ data_io_t *dio = (data_io_t *)PNG_PREFIX(png_get_io_ptr(png_ptr));
- if(size > dio->size - dio->p) png_error(png_ptr, "Could not read bytes.");
+ if(size > dio->size - dio->p) {
+ PNG_PREFIX(png_error(png_ptr, "Could not read bytes."));
+ }
memcpy(buf, (dio->data + dio->p), size);
dio->p += size;
@@ -113,14 +118,15 @@ void GUI::Image::load(const char* data, size_t size)
const char *header = data;
// test for it being a png:
- if(png_sig_cmp((png_byte*)header, 0, 8)) {
+ if(PNG_PREFIX(png_sig_cmp((png_byte*)header, 0, 8))) {
ERR(image, "[read_png_file] File is not recognized as a PNG file");
setError(0);
return;
}
// initialize stuff
- png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
+ png_ptr =
+ PNG_PREFIX(png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL));
if(!png_ptr) {
ERR(image, "[read_png_file] png_create_read_struct failed");
@@ -128,18 +134,18 @@ void GUI::Image::load(const char* data, size_t size)
return;
}
- info_ptr = png_create_info_struct(png_ptr);
+ info_ptr = PNG_PREFIX(png_create_info_struct(png_ptr));
if(!info_ptr) {
ERR(image, "[read_png_file] png_create_info_struct failed");
setError(2);
- png_destroy_read_struct(&png_ptr, NULL, NULL);
+ PNG_PREFIX(png_destroy_read_struct(&png_ptr, NULL, NULL));
return;
}
- if(setjmp(png_jmpbuf(png_ptr))) {
+ if(setjmp(PNG_PREFIX(png_jmpbuf(png_ptr)))) {
ERR(image, "[read_png_file] Error during init_io");
setError(3);
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
+ PNG_PREFIX(png_destroy_read_struct(&png_ptr, &info_ptr, NULL));
return;
}
@@ -148,36 +154,37 @@ void GUI::Image::load(const char* data, size_t size)
dio.data = data;
dio.size = size;
dio.p = 8; // skip header
- png_set_read_fn(png_ptr, &dio, dio_reader);
+ PNG_PREFIX(png_set_read_fn(png_ptr, &dio, dio_reader));
- png_set_sig_bytes(png_ptr, 8);
+ PNG_PREFIX(png_set_sig_bytes(png_ptr, 8));
- png_read_info(png_ptr, info_ptr);
+ PNG_PREFIX(png_read_info(png_ptr, info_ptr));
- w = png_get_image_width(png_ptr, info_ptr);
- h = png_get_image_height(png_ptr, info_ptr);
+ w = PNG_PREFIX(png_get_image_width(png_ptr, info_ptr));
+ h = PNG_PREFIX(png_get_image_height(png_ptr, info_ptr));
//color_type = png_get_color_type(png_ptr, info_ptr);
//bit_depth = png_get_bit_depth(png_ptr, info_ptr);
- number_of_passes = png_set_interlace_handling(png_ptr);
- png_read_update_info(png_ptr, info_ptr);
+ number_of_passes = PNG_PREFIX(png_set_interlace_handling(png_ptr));
+ PNG_PREFIX(png_read_update_info(png_ptr, info_ptr));
// read file
- if(setjmp(png_jmpbuf(png_ptr))) {
+ if(setjmp(PNG_PREFIX(png_jmpbuf(png_ptr)))) {
ERR(image, "[read_png_file] Error during read_image");
setError(4);
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
+ PNG_PREFIX(png_destroy_read_struct(&png_ptr, &info_ptr, NULL));
return;
}
row_pointers = (png_bytep*) malloc(sizeof(png_bytep) * h);
for(size_t y = 0; y < h; y++) {
- row_pointers[y] = (png_byte*) malloc(png_get_rowbytes(png_ptr, info_ptr));
+ row_pointers[y] =
+ (png_byte*) malloc(PNG_PREFIX(png_get_rowbytes(png_ptr, info_ptr)));
}
- png_read_image(png_ptr, row_pointers);
+ PNG_PREFIX(png_read_image(png_ptr, row_pointers));
- png_destroy_read_struct(&png_ptr, &info_ptr, NULL);
+ PNG_PREFIX(png_destroy_read_struct(&png_ptr, &info_ptr, NULL));
}
size_t GUI::Image::width()