[NEW] GRRLIB_GetPixelFromtexImg and GRRLIB_SetPixelTotexImg !!!! BUGGED DO NOT USE until working ;) !!!

README.TXT

@@ -52,6 +52,8 @@ ChangeLog :
 
 * add GRRLIB_PtInRect, GRRLIB_RectInRect and GRRLIB_RectOnRect.
 
+* GRRLIB_GetPixelFromtexImg and GRRLIB_SetPixelTotexImg ////////////////////////// BUGGED DO NOT USE !!!
+
 * add GRRLIB_Exit to free the memory allocated by GRRLIB
 
 have a look at the sample code to see how all this work ;)

template/source/GRRLIB/GRRLIB.c

@@ -432,6 +432,58 @@ bool GRRLIB_RectOnRect(int rect1x, int rect1y, int rect1w, int rect1h, int rect2
         GRRLIB_PtInRect(rect1x, rect1y, rect1w, rect1h, rect2x, rect2y+rect2h));
 }
 
+/**
+ * Return the color value of a pixel from a GRRLIB_texImg   !!!!!!!!!!!!!!!! NOT WORKING NEED HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+ */
+u32 GRRLIB_GetPixelFromtexImg(int x, int y, GRRLIB_texImg tex){
+   u8 *truc = (u8*)tex.data;
+    u32 x1,y1;
+    u8 r,g,b,a;
+    u32 value=0;
+    u32 offset;
+
+    x1 = x >> 2; // div by 4
+    y1 = y >> 2; // div by 4 
+    offset = (x1*64) + (x-(x1*4))*2+y*8;
+
+    a=*(truc+offset);
+    r=*(truc+offset+1);
+    g=*(truc+offset+32);
+    b=*(truc+offset+33);
+
+    value = (r<<24) | (g<<16) | (b<<8) | a;
+
+   
+    return(value);
+}
+
+/**
+ * Set the color value of a pixel to a GRRLIB_texImg  !!!!!!!!!!!!!!!! NOT WORKING NEED HELP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+ */
+void GRRLIB_SetPixelTotexImg(int x, int y, GRRLIB_texImg tex, u32 color){
+   u8 *truc = (u8*)tex.data;
+    u32 x1,y1;
+    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;
+
+    a=color & 0xFF;
+    r=(color>>8) & 0xFF;
+    g=(color>>16) & 0xFF;
+    b=(color>>24) & 0xFF;
+
+
+    *(truc+offset)=a;
+    *(truc+offset+1)=r;
+    *(truc+offset+32)=g;
+    *(truc+offset+33)=b;
+
+
+}
+
 /**
  *
  * @param v

template/source/GRRLIB/GRRLIB.h

@@ -62,6 +62,9 @@ bool GRRLIB_PtInRect(int hotx, int hoty, int hotw, int hoth, int wpadx, int wpad
 bool GRRLIB_RectInRect(int rect1x, int rect1y, int rect1w, int rect1h, int rect2x, int rect2y, int rect2w, int rect2h);
 bool GRRLIB_RectOnRect(int rect1x, int rect1y, int rect1w, int rect1h, int rect2x, int rect2y, int rect2w, int rect2h);
 
+u32 GRRLIB_GetPixelFromtexImg(int x, int y, GRRLIB_texImg tex);
+void GRRLIB_SetPixelTotexImg(int x, int y, GRRLIB_texImg tex, u32 color);
+
 void GRRLIB_GXEngine(Vector v[], u32 color, long count, u8 fmt);
 
 

template/source/gfx/pixeltest.c

@@ -0,0 +1,20 @@
+/*
+  This file was autogenerated by raw2c.
+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, 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
+};
+const int pixeltest_size = sizeof(pixeltest);

template/source/gfx/pixeltest.h

@@ -0,0 +1,14 @@
+/*
+  This file was autogenerated by raw2c.
+Visit http://www.devkitpro.org
+*/
+
+//---------------------------------------------------------------------------------
+#ifndef _pixeltest_h_
+#define _pixeltest_h_
+//---------------------------------------------------------------------------------
+extern const unsigned char pixeltest[];
+extern const int pixeltest_size;
+//---------------------------------------------------------------------------------
+#endif //_pixeltest_h_
+//---------------------------------------------------------------------------------

template/source/main.c

@@ -20,6 +20,8 @@
 #include "gfx/BMfont5.h"
 #include "gfx/test_jpg.h"
 #include "gfx/sprite.h"
+#include "gfx/pixeltest.h"
+
 
 // Tile stuff
 #define TILE_DELAY  10
@@ -55,6 +57,7 @@ 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=0,y=0,val=0;
     ir_t ir1;
     u32 wpaddown, wpadheld;
     Vector triangle[] = {{400,200,0.0f}, {500,400,0.0f}, {300,400,0.0f}};
@@ -67,6 +70,8 @@ int main() {
 
     GRRLIB_texImg tex_test_jpg = GRRLIB_LoadTextureJPG(test_jpg);
 
+    GRRLIB_texImg tex_pixeltest = GRRLIB_LoadTexturePNG(pixeltest);
+
     GRRLIB_texImg tex_sprite_png = GRRLIB_LoadTexturePNG(sprite);
     GRRLIB_InitTileSet(&tex_sprite_png, 24, 32, 0);
 
@@ -85,6 +90,8 @@ 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();
@@ -101,6 +108,16 @@ 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);
+
+                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
                 GRRLIB_DrawTile(320+left, 240+top, tex_sprite_png, 0, 2, 2, GRRLIB_WHITE, frame);