6663b6c9
 adorian
projet complet av...
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#include <ion.h>
#include <kandinsky.h>
#include <stdlib.h>
#include <png.h>
#include "display.h"
namespace Ion {
namespace Display {
static bool sFrameBufferActive = false;
static KDColor sPixels[Ion::Display::Width*Ion::Display::Height];
static KDFrameBuffer sFrameBuffer = KDFrameBuffer(sPixels, KDSize(Ion::Display::Width, Ion::Display::Height));
void pushRect(KDRect r, const KDColor * pixels) {
if (sFrameBufferActive) {
sFrameBuffer.pushRect(r, pixels);
}
}
void pushRectUniform(KDRect r, KDColor c) {
if (sFrameBufferActive) {
sFrameBuffer.pushRectUniform(r, c);
}
}
void pullRect(KDRect r, KDColor * pixels) {
if (sFrameBufferActive) {
sFrameBuffer.pullRect(r, pixels);
}
}
void waitForVBlank() {
}
}
}
namespace Ion {
namespace Display {
namespace Blackbox {
const KDColor * frameBufferAddress() {
return sPixels;
}
void setFrameBufferActive(bool enabled) {
sFrameBufferActive = enabled;
}
typedef struct {
uint8_t red;
uint8_t green;
uint8_t blue;
} pixel_t;
void writeFrameBufferToFile(const char * filename) {
FILE * file = fopen(filename, "wb"); // Write in binary mode
//ENSURE(file != NULL, "Opening file %s", filename);
png_structp png = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
//ENSURE(png != NULL, "Allocating PNG write structure");
png_infop info = png_create_info_struct(png);
//ENSURE(info != NULL, "Allocating info structure");
png_init_io(png, file);
png_set_IHDR(png, info,
Ion::Display::Width, Ion::Display::Height,
8, // Number of bits per channel
PNG_COLOR_TYPE_RGB,
PNG_INTERLACE_NONE,
PNG_COMPRESSION_TYPE_DEFAULT,
PNG_FILTER_TYPE_DEFAULT);
png_write_info(png, info);
static_assert(sizeof(pixel_t) == 3, "pixel_t shall be 3 bytes long (RGB888 format)");
pixel_t * row = (pixel_t *)malloc(3*Ion::Display::Width);
for (int j=0;j<Ion::Display::Height;j++) {
for (int i=0; i<Ion::Display::Width; i++) {
KDColor c = sPixels[i+Ion::Display::Width*j];
row[i].red = c.red();
row[i].green = c.green();
row[i].blue = c.blue();
}
png_write_row(png, (png_bytep)row);
}
free(row);
png_write_end(png, NULL);
png_free_data(png, info, PNG_FREE_ALL, -1); // -1 = all items
png_destroy_write_struct(&png, (png_infopp)NULL);
fclose(file);
}
}
}
}
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