Koraidon

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#include <stdlib.h>
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#include "video/tga_image.h"
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#include "video/pixel.h"
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#include "video/scaler.h"
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#include "video/blit.h"
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#include "video/pixfmt_conv.h"
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int tga_draw(koraidon_backfb_t framebuffer, size_t x, size_t y, const char* filename) {
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	tga_header_t* tga_header = calloc(1, sizeof(tga_header_t));
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	if(!tga_header) {
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		return -1;
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	}
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	bool ok = tga_extract_info(filename, tga_header);
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	if(ok) {
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		size_t buffer_size = tga_header->w * tga_header->h;
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		uint32_t* image_data = calloc(buffer_size, 4);
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		int errcode = tga_extract_pixels(filename, image_data);
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		if(errcode < 0) {
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			free(tga_header);
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			return errcode;
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		}
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		for(size_t sy = 0; sy < tga_header->h; sy++) {
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			for(size_t sx = 0; sx < tga_header->w; sx++) {
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				set_pixel(framebuffer, x + sx, y + sy, image_data[(sy * tga_header->w + sx)]);
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			}
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		}
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		free(image_data);
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		return 0;
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	}
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	free(tga_header);
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	return -1;
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}
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// WARNING: Not a fast function.
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int tga_scale_draw(koraidon_backfb_t framebuffer, size_t x, size_t y, size_t width, size_t height, const char* filename) {
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	tga_header_t* tga_header = calloc(1, sizeof(tga_header_t));
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	if(!tga_header) {
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		return -1;
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	}
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	bool ok = tga_extract_info(filename, tga_header);
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	if(ok) {
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		size_t buffer_size = tga_header->w * tga_header->h;
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		uint32_t* image_data = calloc(buffer_size, 4); // 4 byte is 32 bit (which ARGB pixel format)
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		int errcode = tga_extract_pixels(filename, image_data);
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		if(errcode < 0) {
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			free(tga_header);
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			return errcode;
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		}
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		uint32_t* out_data = 0;
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		scaler_scale(
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			(char*)image_data,
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			32,
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			tga_header->w, tga_header->h,
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			width, height,
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			(char**)&out_data
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	 	);
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		pixfmt_conv((char*)out_data, 32, width, height, SCREEN_RGB, framebuffer.screen.pixfmt);
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		buffer_blit(framebuffer, (char*)out_data, 32, x, y, width, height);
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		free(image_data);
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		free(out_data);
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		return 0;
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	}
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	free(tga_header);
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	return -1;
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}
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