red031000/nitrogfx
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Replaced idxComponent1 and idxComponent2 with idxComponentY and idxComponentX, respectively

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This commit is contained in:
turtleisaac 2023-08-02 10:53:06 -04:00
parent e8365bca10
commit 7c492fbdc0
1 changed files with 18 additions and 18 deletions
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36
gfx.c
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@ -46,10 +46,10 @@ static void ConvertFromTiles1Bpp(unsigned char *src, unsigned char *dest, int nu
for (int i = 0; i < numTiles; i++) {
for (int j = 0; j < 8; j++) {
int idxComponent1 = (chunkStartY * rowsPerChunk + rowsSoFar) * 8 + j;
int idxComponent2 = chunkStartX * tilesPerRow + tilesSoFar;
int idxComponentY = (chunkStartY * rowsPerChunk + rowsSoFar) * 8 + j;
int idxComponentX = chunkStartX * tilesPerRow + tilesSoFar;
unsigned char srcPixelOctet = *src++;
unsigned char *destPixelOctet = &dest[idxComponent1 * pitch + idxComponent2];
unsigned char *destPixelOctet = &dest[idxComponentY * pitch + idxComponentX];
for (int k = 0; k < 8; k++) {
*destPixelOctet <<= 1;
@ -72,10 +72,10 @@ static void ConvertFromTiles4Bpp(unsigned char *src, unsigned char *dest, int nu
for (int i = 0; i < numTiles; i++) {
for (int j = 0; j < 8; j++) {
int idxComponent1 = (chunkStartY * rowsPerChunk + rowsSoFar) * 8 + j;
int idxComponentY = (chunkStartY * rowsPerChunk + rowsSoFar) * 8 + j;
for (int k = 0; k < 4; k++) {
int idxComponent2 = (chunkStartX * tilesPerRow + tilesSoFar) * 4 + k;
int idxComponentX = (chunkStartX * tilesPerRow + tilesSoFar) * 4 + k;
unsigned char srcPixelPair = *src++;
unsigned char leftPixel = srcPixelPair & 0xF;
unsigned char rightPixel = srcPixelPair >> 4;
@ -85,7 +85,7 @@ static void ConvertFromTiles4Bpp(unsigned char *src, unsigned char *dest, int nu
rightPixel = 15 - rightPixel;
}
dest[idxComponent1 * pitch + idxComponent2] = (leftPixel << 4) | rightPixel;
dest[idxComponentY * pitch + idxComponentX] = (leftPixel << 4) | rightPixel;
}
}
@ -145,16 +145,16 @@ static void ConvertFromTiles8Bpp(unsigned char *src, unsigned char *dest, int nu
for (int i = 0; i < numTiles; i++) {
for (int j = 0; j < 8; j++) {
int idxComponent1 = (chunkStartY * rowsPerChunk + rowsSoFar) * 8 + j;
int idxComponentY = (chunkStartY * rowsPerChunk + rowsSoFar) * 8 + j;
for (int k = 0; k < 8; k++) {
int idxComponent2 = (chunkStartX * tilesPerRow + tilesSoFar) * 8 + k;
int idxComponentX = (chunkStartX * tilesPerRow + tilesSoFar) * 8 + k;
unsigned char srcPixel = *src++;
if (invertColors)
srcPixel = 255 - srcPixel;
dest[idxComponent1 * pitch + idxComponent2] = srcPixel;
dest[idxComponentY * pitch + idxComponentX] = srcPixel;
}
}
@ -211,9 +211,9 @@ static void ConvertToTiles1Bpp(unsigned char *src, unsigned char *dest, int numT
for (int i = 0; i < numTiles; i++) {
for (int j = 0; j < 8; j++) {
int idxComponent1 = (chunkStartY * rowsPerChunk + rowsSoFar) * 8 + j;
int idxComponent2 = chunkStartX * tilesPerRow + tilesSoFar;
unsigned char srcPixelOctet = src[idxComponent1 * pitch + idxComponent2];
int idxComponentY = (chunkStartY * rowsPerChunk + rowsSoFar) * 8 + j;
int idxComponentX = chunkStartX * tilesPerRow + tilesSoFar;
unsigned char srcPixelOctet = src[idxComponentY * pitch + idxComponentX];
unsigned char *destPixelOctet = dest++;
for (int k = 0; k < 8; k++) {
@ -237,11 +237,11 @@ static void ConvertToTiles4Bpp(unsigned char *src, unsigned char *dest, int numT
for (int i = 0; i < numTiles; i++) {
for (int j = 0; j < 8; j++) {
int idxComponent1 = (chunkStartY * rowsPerChunk + rowsSoFar) * 8 + j;
int idxComponentY = (chunkStartY * rowsPerChunk + rowsSoFar) * 8 + j;
for (int k = 0; k < 4; k++) {
int idxComponent2 = (chunkStartX * tilesPerRow + tilesSoFar) * 4 + k;
unsigned char srcPixelPair = src[idxComponent1 * pitch + idxComponent2];
int idxComponentX = (chunkStartX * tilesPerRow + tilesSoFar) * 4 + k;
unsigned char srcPixelPair = src[idxComponentY * pitch + idxComponentX];
unsigned char leftPixel = srcPixelPair >> 4;
unsigned char rightPixel = srcPixelPair & 0xF;
@ -304,11 +304,11 @@ static void ConvertToTiles8Bpp(unsigned char *src, unsigned char *dest, int numT
for (int i = 0; i < numTiles; i++) {
for (int j = 0; j < 8; j++) {
int idxComponent1 = (chunkStartY * rowsPerChunk + rowsSoFar) * 8 + j;
int idxComponentY = (chunkStartY * rowsPerChunk + rowsSoFar) * 8 + j;
for (int k = 0; k < 8; k++) {
int idxComponent2 = (chunkStartX * tilesPerRow + tilesSoFar) * 8 + k;
unsigned char srcPixel = src[idxComponent1 * pitch + idxComponent2];
int idxComponentX = (chunkStartX * tilesPerRow + tilesSoFar) * 8 + k;
unsigned char srcPixel = src[idxComponentY * pitch + idxComponentX];
if (invertColors)
srcPixel = 255 - srcPixel;