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#include "Image.h"
#ifdef HAVE_CONFIG_H
#include "config.h"
#else
#define _(x) x
#endif
Image::Image(unsigned int ax, unsigned int ay) : x(ax), y(ay), img((Color *) malloc(x * y * sizeof(Color))) {
Fill();
}
Image::~Image() {
free((void *)img);
}
bool Image::CanWrite() const {
return false;
}
String Image::GetName() const {
return String(_("Image ")) + x + "x" + y;
}
void Image::Fill(Color c) {
for (unsigned int i = 0; i < x * y; i++) {
img[i] = c;
}
}
Color Image::GetPixel(unsigned int px, unsigned int py) const {
if ((px >= x) || (py >= y)) {
return Color(0, 0, 0, 0);
}
return img[x * py + px];
}
void Image::SetPixel(unsigned int px, unsigned int py, Color c) {
if ((px >= x) || (py >= y)) {
return;
}
img[x * py + px] = c;
}
#ifndef WORDS_BIGENDIAN
#define WORDS_BIGENDIAN 0
#endif
bool Image::Prepare(unsigned int f) {
if (GetSize()) return false;
switch (f) {
case FORMAT_TGA_BASIC:
TGAHeader Header;
TGAFooter Footer;
Header.IDLength = 0;
Header.ColorMapType = 0;
Header.ImageType = 2;
Header.CM_FirstEntry = 0;
Header.CM_Length = 0;
Header.CM_EntrySize = 0;
Header.IS_XOrigin = 0;
Header.IS_YOrigin = 0;
Header.IS_Width = WORDS_BIGENDIAN ? ((x & 0xff) << 8) | ((x & 0xff00) >> 8) : x;
Header.IS_Height = WORDS_BIGENDIAN ? ((y & 0xff) << 8) | ((y & 0xff00) >> 8) : y;
Header.IS_Depth = 32;
Header.IS_Descriptor = 0x20;
Footer.ExtOffset = 0;
Footer.DevOffset = 0;
strcpy(Footer.Sig, "TRUEVISION-XFILE.");
write(&Header, sizeof(Header));
write(img, x * y * sizeof(Color));
write(&Footer, sizeof(Footer));
return true;
break;
default:
return false;
}
}
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