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fix typo in texels flip

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add support to create a cube in TinyRenderer (quick test)
This commit is contained in:
Erwin Coumans
2016-04-28 12:28:04 -07:00
committed by Erwin Coumans
parent a3767193ce
commit aa9a276a71
14 changed files with 452 additions and 107 deletions
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8
examples/TinyRenderer/tgaimage.cpp
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@@ -141,7 +141,7 @@ bool TGAImage::load_rle_data(std::ifstream &in) {
return true;
}
bool TGAImage::write_tga_file(const char *filename, bool rle) {
bool TGAImage::write_tga_file(const char *filename, bool rle) const {
unsigned char developer_area_ref[4] = {0, 0, 0, 0};
unsigned char extension_area_ref[4] = {0, 0, 0, 0};
unsigned char footer[18] = {'T','R','U','E','V','I','S','I','O','N','-','X','F','I','L','E','.','\0'};
@@ -202,7 +202,7 @@ bool TGAImage::write_tga_file(const char *filename, bool rle) {
}
// TODO: it is not necessary to break a raw chunk for two equal pixels (for the matter of the resulting size)
bool TGAImage::unload_rle_data(std::ofstream &out) {
bool TGAImage::unload_rle_data(std::ofstream &out) const {
const unsigned char max_chunk_length = 128;
unsigned long npixels = width*height;
unsigned long curpix = 0;
@@ -244,9 +244,9 @@ bool TGAImage::unload_rle_data(std::ofstream &out) {
return true;
}
TGAColor TGAImage::get(int x, int y) {
TGAColor TGAImage::get(int x, int y) const {
if (!data || x<0 || y<0 || x>=width || y>=height) {
return TGAColor();
return TGAColor(128.f,128.f,128.f,255.f);
}
return TGAColor(data+(x+y*width)*bytespp, bytespp);
}