fries/GRRLIB
1
0
Fork 0
mirror of https://github.com/GRRLIB/GRRLIB.git synced 2024-11-22 15:02:20 +00:00
Code Issues Projects Releases Packages Wiki Activity

[BUG] GRRLIB_GetPixelFromtexImg and GRRLIB_SetPixelTotexImg now WORKING

Browse source 
!!
This commit is contained in:
N0NameN0 2009-02-05 21:27:48 +00:00
parent 324f4792e8
commit c8276275ea
5 changed files with 31 additions and 29 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
README.TXT
View file

@ -52,7 +52,7 @@ ChangeLog :
* add GRRLIB_PtInRect, GRRLIB_RectInRect and GRRLIB_RectOnRect.
* GRRLIB_GetPixelFromtexImg and GRRLIB_SetPixelTotexImg ////////////////////////// BUGGED DO NOT USE !!!
* GRRLIB_GetPixelFromtexImg and GRRLIB_SetPixelTotexImg
* add GRRLIB_Exit to free the memory allocated by GRRLIB

21
template/source/GRRLIB/GRRLIB.c
View file

@ -434,7 +434,6 @@ bool GRRLIB_RectOnRect(int rect1x, int rect1y, int rect1w, int rect1h, int rect2
/**
* Return the color value of a pixel from a GRRLIB_texImg
* @bug !!!!!!!!!!!!!!!! NOT WORKING NEED HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
* @param x specifies the x-coordinate of the pixel in the texture.
* @param y specifies the y-coordinate of the pixel in the texture.
* @param tex texture to get the color from.
@ -447,9 +446,9 @@ u32 GRRLIB_GetPixelFromtexImg(int x, int y, GRRLIB_texImg tex){
u32 value;
u32 offset;
x1 = x >> 2; // div by 4
y1 = y >> 2; // div by 4
offset = (x1*64) + (x-(x1*4))*2+y*8;
x1 = x >> 2;
y1 = y >> 2;
offset = (y1*16*tex.w) + (x1*64) + ((y%4 * 4 + x%4 ) * 2); // Fuckin equation found by NoNameNo ;)
a=*(truc+offset);
r=*(truc+offset+1);
@ -463,7 +462,6 @@ u32 GRRLIB_GetPixelFromtexImg(int x, int y, GRRLIB_texImg tex){
/**
* Set the color value of a pixel to a GRRLIB_texImg
* @bug !!!!!!!!!!!!!!!! NOT WORKING NEED HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
* @param x specifies the x-coordinate of the pixel in the texture.
* @param y specifies the y-coordinate of the pixel in the texture.
* @param tex texture to set the color to.
@ -475,19 +473,22 @@ void GRRLIB_SetPixelTotexImg(int x, int y, GRRLIB_texImg tex, u32 color){
u8 r, g, b, a;
u32 offset;
x1 = x >> 2; // div by 4
y1 = y >> 2; // div by 4
offset = (x1*64) + (x-(x1*4))*2+y*8;
x1 = x >> 2;
y1 = y >> 2;
offset = (y1*16*tex.w) + (x1*64) + ((y%4 * 4 + x%4 ) * 2); // Fuckin equation found by NoNameNo ;)
a=color & 0xFF;
r=(color>>8) & 0xFF;
b=(color>>8) & 0xFF;
g=(color>>16) & 0xFF;
b=(color>>24) & 0xFF;
r=(color>>24) & 0xFF;
*(truc+offset)=a;
*(truc+offset+1)=r;
*(truc+offset+32)=g;
*(truc+offset+33)=b;
DCFlushRange(tex.data, tex.w * tex.h * 4);
}
/**

16
template/source/gfx/pixeltest.c
View file

@ -5,16 +5,14 @@ Visit http://www.devkitpro.org
const unsigned char pixeltest[] = {
0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a, 0x00, 0x00, 0x00, 0x0d, 0x49, 0x48, 0x44, 0x52,
0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x28, 0x08, 0x06, 0x00, 0x00, 0x00, 0x8c, 0xfe, 0xb8,
0x6d, 0x00, 0x00, 0x00, 0x01, 0x73, 0x52, 0x47, 0x42, 0x00, 0xae, 0xce, 0x1c, 0xe9, 0x00, 0x00,
0x00, 0x06, 0x62, 0x4b, 0x47, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf9, 0x43, 0xbb, 0x7f,
0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x08, 0x08, 0x06, 0x00, 0x00, 0x00, 0xc4, 0x0f, 0xbe,
0x8b, 0x00, 0x00, 0x00, 0x01, 0x73, 0x52, 0x47, 0x42, 0x00, 0xae, 0xce, 0x1c, 0xe9, 0x00, 0x00,
0x00, 0x06, 0x62, 0x4b, 0x47, 0x44, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0xa0, 0xbd, 0xa7, 0x93,
0x00, 0x00, 0x00, 0x09, 0x70, 0x48, 0x59, 0x73, 0x00, 0x00, 0x0b, 0x13, 0x00, 0x00, 0x0b, 0x13,
0x01, 0x00, 0x9a, 0x9c, 0x18, 0x00, 0x00, 0x00, 0x07, 0x74, 0x49, 0x4d, 0x45, 0x07, 0xd9, 0x02,
0x04, 0x14, 0x1e, 0x12, 0x30, 0x90, 0x66, 0x4b, 0x00, 0x00, 0x00, 0x37, 0x49, 0x44, 0x41, 0x54,
0x58, 0xc3, 0xed, 0xce, 0x01, 0x0d, 0x00, 0x00, 0x08, 0x03, 0x20, 0xb5, 0x7f, 0xe7, 0x5b, 0x43,
0x37, 0x48, 0x40, 0x27, 0x49, 0x1d, 0x36, 0x75, 0x9c, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0,
0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xe0,
0xd7, 0xe0, 0x02, 0x3e, 0xea, 0x04, 0x4c, 0xc6, 0x8c, 0xdb, 0x8d, 0x00, 0x00, 0x00, 0x00, 0x49,
0x45, 0x4e, 0x44, 0xae, 0x42, 0x60, 0x82
0x05, 0x12, 0x1b, 0x0e, 0xe5, 0xd7, 0xd5, 0x96, 0x00, 0x00, 0x00, 0x16, 0x49, 0x44, 0x41, 0x54,
0x18, 0xd3, 0x63, 0xfc, 0xff, 0xff, 0xff, 0x7f, 0x06, 0x3c, 0x80, 0x89, 0x81, 0x00, 0x18, 0x1e,
0x0a, 0x00, 0x1b, 0x6e, 0x04, 0x0c, 0x19, 0x49, 0x52, 0xd1, 0x00, 0x00, 0x00, 0x00, 0x49, 0x45,
0x4e, 0x44, 0xae, 0x42, 0x60, 0x82
};
const int pixeltest_size = sizeof(pixeltest);

BIN
template/source/gfx/pixeltest.png
View file

Binary file not shown.
Side by side Swipe Overlay

Before

Width:  |  Height:  |  Size: 183 B

After

Width:  |  Height:  |  Size: 150 B

21
template/source/main.c
View file

@ -56,7 +56,8 @@ Mtx GXmodelView2D;
int main() {
int left = 0, top = 0, page = 0, frame = TILE_DOWN + 1;
unsigned int wait = TILE_DELAY, direction = TILE_DOWN, direction_new = TILE_DOWN;
int x, y, val;
int x, y;
u32 val;
ir_t ir1;
u32 wpaddown, wpadheld;
Vector triangle[] = {{400,200,0.0f}, {500,400,0.0f}, {300,400,0.0f}};
@ -69,7 +70,7 @@ int main() {
GRRLIB_texImg tex_test_jpg = GRRLIB_LoadTextureJPG(test_jpg);
GRRLIB_texImg tex_pixeltest = GRRLIB_LoadTexturePNG(pixeltest);
GRRLIB_texImg tex_pixeltest = GRRLIB_LoadTexturePNG(pixeltest); // a 8x8 only white test png
GRRLIB_texImg tex_sprite_png = GRRLIB_LoadTexturePNG(sprite);
GRRLIB_InitTileSet(&tex_sprite_png, 24, 32, 0);
@ -89,6 +90,13 @@ int main() {
GRRLIB_texImg tex_BMfont5 = GRRLIB_LoadTexturePNG(BMfont5);
GRRLIB_InitTileSet(&tex_BMfont5, 8, 16, 0);
for(y=0;y<8;y++){
for(x=0;x<8;x++){
val = GRRLIB_GetPixelFromtexImg(x+8,y+8,tex_sprite_png);
GRRLIB_SetPixelTotexImg(x, y, tex_pixeltest, val);
}
}
while(1) {
WPAD_SetVRes(0, 640, 480);
WPAD_ScanPads();
@ -105,14 +113,9 @@ int main() {
GRRLIB_Printf(5, 25, tex_BMfont2, GRRLIB_WHITE, 1, "IMAGES DEMO");
GRRLIB_DrawImg(10, 50, tex_test_jpg, 0, 1, 1, GRRLIB_WHITE);
GRRLIB_DrawImg(400, 150, tex_pixeltest, 0, 1, 1, GRRLIB_WHITE);
GRRLIB_DrawImg(400, 150, tex_pixeltest, 0, 20, 20, GRRLIB_WHITE);
for(y=0; y<tex_pixeltest.h; y++) { //------------ <just a test>
for(x=0; x<(tex_pixeltest.w*20); x++) {
val = 1 + (int) (16777215.0 * (rand() / (RAND_MAX + 1.0)));
GRRLIB_SetPixelTotexImg(x, y, tex_pixeltest, (val<<8)|0xFF);
}
} //------------ </just a test>
// Draw a sprite
GRRLIB_DrawTile(600, 400, tex_sprite_png, 0, 2, 2, GRRLIB_WHITE, 12*4); // Rupee