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[NEW] GRRLIB_BMFX_Scatter (random mixing pixel)

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I Detected there is memory leak somewhere !! have a look at link tiles 
! you will see erased part of the tileset (go up)
This commit is contained in:
N0NameN0 2009-02-08 16:50:08 +00:00
parent 53e761a9a8
commit b4b26eff31
3 changed files with 47 additions and 32 deletions
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41
template/source/GRRLIB/GRRLIB.c
View file

@ -510,28 +510,57 @@ void GRRLIB_FlushTex(GRRLIB_texImg tex)
/**
* Change a texture to gray scale.
* @see GRRLIB_FlushTex
* @param tex the texture to change.
* @param texsrc the texture source.
* @param texdst the texture grayscaled destination.
*/
void GRRLIB_BMFX_GrayScale(GRRLIB_texImg tex) {
void GRRLIB_BMFX_GrayScale(GRRLIB_texImg texsrc, GRRLIB_texImg texdest) {
unsigned int x, y;
u8 r, g, b, gray;
u32 color;
for(y=0; y<tex.h; y++) {
for(x=0; x<tex.w; x++) {
color = GRRLIB_GetPixelFromtexImg(x, y, tex);
for(y=0; y<texsrc.h; y++) {
for(x=0; x<texsrc.w; x++) {
color = GRRLIB_GetPixelFromtexImg(x, y, texsrc);
b = (color>>24) & 0xFF;
g = (color>>16) & 0xFF;
r = (color>>8) & 0xFF;
gray = ((r*77 + g*150 + b*28) / (255));
GRRLIB_SetPixelTotexImg(x, y, tex,
GRRLIB_SetPixelTotexImg(x, y, texdest,
((gray << 24) | (gray << 16) | (gray << 8) | (color & 0xFF)));
}
}
}
/**
* A texture effect.
* @see GRRLIB_FlushTex
* @param texsrc the texture source.
* @param texdst the texture grayscaled destination.
* @param factor The factor level of the effect.
*/
void GRRLIB_BMFX_Scatter(GRRLIB_texImg texsrc, GRRLIB_texImg texdest, int factor) {
unsigned int x, y;
int val1,val2,val3,val4;
for(y=0;y<texsrc.h;y++){
for(x=1;x<texsrc.w;x++){
val1= 0 + (int) (factor*2 * (rand() / (RAND_MAX + 1.0))) - factor ;
val2= 0 + (int) (factor*2 * (rand() / (RAND_MAX + 1.0))) - factor ;
if((x + val1 >= texsrc.w) && (x + val1 <0) && (y + val2 >= texsrc.h) && (y + val2 <0)){
}
else{
val3=GRRLIB_GetPixelFromtexImg(x,y,texsrc);
val4=GRRLIB_GetPixelFromtexImg(x+val1,y+val2,texsrc);
GRRLIB_SetPixelTotexImg(x, y, texdest, val4);
GRRLIB_SetPixelTotexImg(x+val1, y+val2, texdest, val3);
}
}
}
}
/**
*
* @param v

3
template/source/GRRLIB/GRRLIB.h
View file

@ -67,7 +67,8 @@ void GRRLIB_SetPixelTotexImg(int x, int y, GRRLIB_texImg tex, u32 color);
void GRRLIB_FlushTex(GRRLIB_texImg tex);
void GRRLIB_BMFX_GrayScale(GRRLIB_texImg tex);
void GRRLIB_BMFX_GrayScale(GRRLIB_texImg texsrc, GRRLIB_texImg texdest);
void GRRLIB_BMFX_Scatter(GRRLIB_texImg texsrc, GRRLIB_texImg texdest, int factor);
void GRRLIB_GXEngine(Vector v[], u32 color, long count, u8 fmt);

33
template/source/main.c
View file

@ -55,8 +55,7 @@ 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, val1, val2, val3, val4;
u32 val, valtmp;
ir_t ir1;
u32 wpaddown, wpadheld;
Vector triangle[] = {{400,200,0.0f}, {500,400,0.0f}, {300,400,0.0f}};
@ -68,8 +67,7 @@ int main() {
WPAD_SetDataFormat(WPAD_CHAN_0, WPAD_FMT_BTNS_ACC_IR);
GRRLIB_texImg tex_test_jpg = GRRLIB_LoadTextureJPG(test_jpg);
GRRLIB_texImg tex_pixeltest = GRRLIB_CreateEmptyTexture(40, 40);
GRRLIB_texImg tex_new = GRRLIB_CreateEmptyTexture(tex_test_jpg.w, tex_test_jpg.h);
GRRLIB_texImg tex_sprite_png = GRRLIB_LoadTexturePNG(sprite);
GRRLIB_InitTileSet(&tex_sprite_png, 24, 32, 0);
@ -89,6 +87,8 @@ int main() {
GRRLIB_texImg tex_BMfont5 = GRRLIB_LoadTexturePNG(BMfont5);
GRRLIB_InitTileSet(&tex_BMfont5, 8, 16, 0);
while(1) {
WPAD_SetVRes(0, 640, 480);
WPAD_ScanPads();
@ -104,26 +104,11 @@ int main() {
case 1: // Draw images
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, 2, 2, GRRLIB_WHITE);
GRRLIB_BMFX_Scatter(tex_test_jpg, tex_new, 8);
GRRLIB_FlushTex(tex_new);
for(x=0; x<40; x++) {
valtmp = 1 + (int) (180 * (rand() / (RAND_MAX + 1.0)));
val = (valtmp<<24) | (valtmp<<16) | (valtmp<<8) | 0xFF;
GRRLIB_SetPixelTotexImg(x, 39, tex_pixeltest, val);
}
for(y=38; y>0; y--) {
for(x=1; x<39; x++) {
val1 = (GRRLIB_GetPixelFromtexImg(x-1, y+1, tex_pixeltest)>>8) & 0xFF;
val2 = (GRRLIB_GetPixelFromtexImg(x, y+1, tex_pixeltest)>>8) & 0xFF;
val3 = (GRRLIB_GetPixelFromtexImg(x+1, y+1, tex_pixeltest)>>8) & 0xFF;
val4 = (GRRLIB_GetPixelFromtexImg(x, y-1, tex_pixeltest)>>8) & 0XFF;
valtmp = (val1+val2+val3+val4)/4;
val = (valtmp<<24) | (valtmp<<16) | (valtmp<<8) | 0xFF;
GRRLIB_SetPixelTotexImg(x, y, tex_pixeltest, val);
}
}
GRRLIB_FlushTex(tex_pixeltest);
GRRLIB_DrawImg(10, 50, tex_test_jpg, 0, 1, 1, GRRLIB_WHITE);
GRRLIB_DrawImg(310, 50, tex_new, 0, 1, 1, GRRLIB_WHITE);
// Draw a sprite
GRRLIB_DrawTile(600, 400, tex_sprite_png, 0, 2, 2, GRRLIB_WHITE, 12*4); // Rupee
@ -226,7 +211,7 @@ int main() {
}
GRRLIB_Exit(); // Be a good boy, clear the memory allocated by GRRLIB
// Free some textures
free(tex_pixeltest.data);
free(tex_new.data);
free(tex_test_jpg.data);
free(tex_sprite_png.data);
free(tex_BMfont1.data);