/**
* Make a snapshot of the screen in a texture WITHOUT ALPHA LAYER.
* @param posx top left corner of the grabbed part.
* @param posy top left corner of the grabbed part.
* @param tex A pointer to a texture representing the screen or NULL if an error occurs.
* @param clear When this flag is set to true, the screen is cleared after copy.
*/
void GRRLIB_Screen2Texture (int posx, int posy, GRRLIB_texImg *tex, bool clear) {
if(tex->data != NULL) {
GX_SetTexCopySrc(posx, posy, tex->w, tex->h);
GX_SetTexCopyDst(tex->w, tex->h, GX_TF_RGBA8, GX_FALSE);
GX_CopyTex(tex->data, GX_FALSE);
GX_PixModeSync();
GRRLIB_FlushTex(tex);
if(clear) {
GX_CopyDisp(xfb[!fb], GX_TRUE);
}
}
}
GRRLIB_texImg * grlib_CreateTexFromTex (GRRLIB_texImg *source)
{
GRRLIB_texImg * tex;
GRRLIB_SetAntiAliasing (FALSE);
if (source == NULL)
source = redrawTex; //return NULL;
tex = GRRLIB_CreateEmptyTexture (source->w, source->h);
if (tex == NULL) return NULL;
memcpy (tex->data, source->data, source->w * source->h * 4);
GRRLIB_FlushTex (tex);
return tex;
}
int main() {
u32 paddown;
s8 page = 0;
// Font texture
GRRLIB_texImg *text_font1 = GRRLIB_LoadTexture(font1);
GRRLIB_InitTileSet(text_font1, 32, 36, 32);
// Load the original texture and create empty texture of the same size as the original one
GRRLIB_texImg *tex_pirate = GRRLIB_LoadTexture(pirate);
GRRLIB_texImg *tex_gray = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_sepia = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_invert = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_blur1 = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_blur2 = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_blur3 = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_blur4 = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_blur5 = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_blur6 = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_pixel1 = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_pixel2 = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_pixel3 = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_pixel4 = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_pixel5 = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_pixel6 = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_scatter1 = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_scatter2 = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_scatter3 = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_scatter4 = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_scatter5 = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_scatter6 = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_fliph = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_flipv = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
GRRLIB_texImg *tex_fliphv = GRRLIB_CreateEmptyTexture(tex_pirate->w, tex_pirate->h);
// Let's precalculate the grayscale texture
GRRLIB_BMFX_Grayscale(tex_pirate, tex_gray);
GRRLIB_FlushTex(tex_gray);
// Let's precalculate the sepia texture
GRRLIB_BMFX_Sepia(tex_pirate, tex_sepia);
GRRLIB_FlushTex(tex_sepia);
// Let's precalculate the inverted color texture
GRRLIB_BMFX_Invert(tex_pirate, tex_invert);
GRRLIB_FlushTex(tex_invert);
// Let's precalculate 6 differents blur texture with 6 differents blur factor
GRRLIB_BMFX_Blur(tex_pirate, tex_blur1, 1);
GRRLIB_FlushTex(tex_blur1);
GRRLIB_BMFX_Blur(tex_pirate, tex_blur2, 2);
GRRLIB_FlushTex(tex_blur2);
GRRLIB_BMFX_Blur(tex_pirate, tex_blur3, 3);
GRRLIB_FlushTex(tex_blur3);
GRRLIB_BMFX_Blur(tex_pirate, tex_blur4, 4);
GRRLIB_FlushTex(tex_blur4);
GRRLIB_BMFX_Blur(tex_pirate, tex_blur5, 5);
GRRLIB_FlushTex(tex_blur5);
GRRLIB_BMFX_Blur(tex_pirate, tex_blur6, 6);
GRRLIB_FlushTex(tex_blur6);
// Let's precalculate 6 differents pixelate texture with 6 differents pixelate factor
GRRLIB_BMFX_Pixelate(tex_pirate, tex_pixel1, 1);
GRRLIB_FlushTex(tex_pixel1);
GRRLIB_BMFX_Pixelate(tex_pirate, tex_pixel2, 2);
GRRLIB_FlushTex(tex_pixel2);
GRRLIB_BMFX_Pixelate(tex_pirate, tex_pixel3, 3);
GRRLIB_FlushTex(tex_pixel3);
GRRLIB_BMFX_Pixelate(tex_pirate, tex_pixel4, 4);
GRRLIB_FlushTex(tex_pixel4);
GRRLIB_BMFX_Pixelate(tex_pirate, tex_pixel5, 5);
GRRLIB_FlushTex(tex_pixel5);
GRRLIB_BMFX_Pixelate(tex_pirate, tex_pixel6, 6);
GRRLIB_FlushTex(tex_pixel6);
// Let's precalculate 6 differents pixelate texture with 6 differents pixelate factor
GRRLIB_BMFX_Scatter(tex_pirate, tex_scatter1, 2);
GRRLIB_FlushTex(tex_pixel1);
GRRLIB_BMFX_Scatter(tex_pirate, tex_scatter2, 4);
GRRLIB_FlushTex(tex_pixel2);
GRRLIB_BMFX_Scatter(tex_pirate, tex_scatter3, 6);
GRRLIB_FlushTex(tex_pixel3);
GRRLIB_BMFX_Scatter(tex_pirate, tex_scatter4, 8);
GRRLIB_FlushTex(tex_pixel4);
GRRLIB_BMFX_Scatter(tex_pirate, tex_scatter5, 10);
GRRLIB_FlushTex(tex_pixel5);
GRRLIB_BMFX_Scatter(tex_pirate, tex_scatter6, 12);
GRRLIB_FlushTex(tex_pixel6);
// Let's precalculate for flipping the texture
GRRLIB_BMFX_FlipH(tex_pirate, tex_fliph);
GRRLIB_FlushTex(tex_fliph);
GRRLIB_BMFX_FlipV(tex_pirate, tex_flipv);
GRRLIB_FlushTex(tex_flipv);
GRRLIB_BMFX_FlipV(tex_fliph, tex_fliphv);
GRRLIB_FlushTex(tex_fliphv);
GRRLIB_Init();
PAD_Init();
while(1) {
PAD_ScanPads();
paddown = PAD_ButtonsDown(0);
GRRLIB_FillScreen(0xFFFFFFFF);
switch(page)
{
case 1:
GRRLIB_Printf(10, 10, text_font1, 0X000000FF, 1, "GRAYSCALE FX");
GRRLIB_DrawImg(10, 60, tex_pirate, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*1, 60, tex_gray, 0, 1, 1, 0xFFFFFFFF);
break;
case 2:
GRRLIB_Printf(10, 10, text_font1, 0X000000FF, 1, "SEPIA FX");
GRRLIB_DrawImg(10, 60, tex_pirate, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*1, 60, tex_sepia, 0, 1, 1, 0xFFFFFFFF);
break;
case 3:
GRRLIB_Printf(10, 10, text_font1, 0X000000FF, 1, "INVERT FX");
GRRLIB_DrawImg(10, 60, tex_pirate, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*1, 60, tex_invert, 0, 1, 1, 0xFFFFFFFF);
break;
case 4:
GRRLIB_Printf(10, 10, text_font1, 0X000000FF, 1, "FLIPH AND FLIPV FX");
GRRLIB_DrawImg(10, 60, tex_pirate, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*1, 60, tex_fliph, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*2, 60, tex_flipv, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*3, 60, tex_fliphv, 0, 1, 1, 0xFFFFFFFF);
break;
case 5:
GRRLIB_Printf(10, 10, text_font1, 0X000000FF, 1, "BLUR FX");
GRRLIB_DrawImg(10, 60, tex_pirate, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*1, 60, tex_blur1, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*2, 60, tex_blur2, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*3, 60, tex_blur3, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10, 60+tex_pirate->h*1, tex_blur4, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*1, 60+tex_pirate->h*1, tex_blur5, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*2, 60+tex_pirate->h*1, tex_blur6, 0, 1, 1, 0xFFFFFFFF);
break;
case 6:
GRRLIB_Printf(10, 10, text_font1, 0X000000FF, 1, "PIXELATE FX");
GRRLIB_DrawImg(10, 60, tex_pirate, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*1, 60, tex_pixel1, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*2, 60, tex_pixel2, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*3, 60, tex_pixel3, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10, 60+tex_pirate->h*1, tex_pixel4, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*1, 60+tex_pirate->h*1, tex_pixel5, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*2, 60+tex_pirate->h*1, tex_pixel6, 0, 1, 1, 0xFFFFFFFF);
break;
case 7:
GRRLIB_Printf(10, 10, text_font1, 0X000000FF, 1, "SCATTER FX");
GRRLIB_DrawImg(10, 60, tex_pirate, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*1, 60, tex_scatter1, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*2, 60, tex_scatter2, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*3, 60, tex_scatter3, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10, 60+tex_pirate->h*1, tex_scatter4, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*1, 60+tex_pirate->h*1, tex_scatter5, 0, 1, 1, 0xFFFFFFFF);
GRRLIB_DrawImg(10+tex_pirate->w*2, 60+tex_pirate->h*1, tex_scatter6, 0, 1, 1, 0xFFFFFFFF);
break;
default:
GRRLIB_Printf(10, 10, text_font1, 0X000000FF, 1, "WELCOME TO THE");
GRRLIB_Printf(10, 40, text_font1, 0X000000FF, 1, "GRRLIB FX DEMO.");
GRRLIB_Printf(10, 80, text_font1, 0X000000FF, 1, "TO QUIT PRESS THE");
GRRLIB_Printf(10, 120, text_font1, 0X000000FF, 1, "HOME BUTTON.");
GRRLIB_Printf(10, 160, text_font1, 0X000000FF, 1, "USE + OR - TO MOVE");
GRRLIB_Printf(10, 200, text_font1, 0X000000FF, 1, "ACROSS PAGES.");
}
GRRLIB_Render();
if(paddown & PAD_BUTTON_START) {
break;
}
if(paddown & PAD_BUTTON_X) {
page--;
if(page < 0) page = 7;
}
if(paddown & PAD_BUTTON_Y) {
page++;
if(page > 7) page = 0;
}
}
GRRLIB_FreeTexture(tex_pirate);
GRRLIB_FreeTexture(tex_gray);
GRRLIB_FreeTexture(tex_sepia);
GRRLIB_FreeTexture(tex_invert);
GRRLIB_FreeTexture(tex_fliph);
GRRLIB_FreeTexture(tex_flipv);
GRRLIB_FreeTexture(tex_fliphv);
GRRLIB_FreeTexture(tex_blur1);
GRRLIB_FreeTexture(tex_blur2);
GRRLIB_FreeTexture(tex_blur3);
GRRLIB_FreeTexture(tex_blur4);
GRRLIB_FreeTexture(tex_blur5);
GRRLIB_FreeTexture(tex_blur6);
GRRLIB_FreeTexture(tex_pixel1);
GRRLIB_FreeTexture(tex_pixel2);
GRRLIB_FreeTexture(tex_pixel3);
GRRLIB_FreeTexture(tex_pixel4);
GRRLIB_FreeTexture(tex_pixel5);
GRRLIB_FreeTexture(tex_pixel6);
GRRLIB_FreeTexture(tex_scatter1);
GRRLIB_FreeTexture(tex_scatter2);
GRRLIB_FreeTexture(tex_scatter3);
GRRLIB_FreeTexture(tex_scatter4);
GRRLIB_FreeTexture(tex_scatter5);
GRRLIB_FreeTexture(tex_scatter6);
GRRLIB_Exit(); // Be a good boy, clear the memory allocated by GRRLIB
return 0;
}
