Data commit

Task/Bitmap/C/bitmap-1.c

@@ -0,0 +1,41 @@
+#ifndef _IMGLIB_0
+#define _IMGLIB_0
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <string.h>
+#include <math.h>
+#include <sys/queue.h>
+
+typedef unsigned char color_component;
+typedef color_component pixel[3];
+typedef struct {
+    unsigned int width;
+    unsigned int height;
+    pixel * buf;
+} image_t;
+typedef image_t * image;
+
+image alloc_img(unsigned int width, unsigned int height);
+void free_img(image);
+void fill_img(image img,
+        color_component r,
+        color_component g,
+        color_component b );
+void put_pixel_unsafe(
+       	image img,
+        unsigned int x,
+        unsigned int y,
+        color_component r,
+        color_component g,
+        color_component b );
+void put_pixel_clip(
+       	image img,
+        unsigned int x,
+        unsigned int y,
+        color_component r,
+        color_component g,
+        color_component b );
+#define GET_PIXEL(IMG, X, Y) (IMG->buf[ ((Y) * IMG->width + (X)) ])
+#endif

Task/Bitmap/C/bitmap-2.c

@@ -0,0 +1,58 @@
+image alloc_img(unsigned int width, unsigned int height)
+{
+    image img;
+    img = malloc(sizeof(image_t));
+    img->buf = malloc(width * height * sizeof(pixel));
+    img->width = width;
+    img->height = height;
+    return img;
+}
+
+void free_img(image img)
+{
+    free(img->buf);
+    free(img);
+}
+
+void fill_img(
+        image img,
+        color_component r,
+        color_component g,
+        color_component b )
+{
+    unsigned int i, n;
+    n = img->width * img->height;
+    for (i=0; i < n; ++i)
+    {
+        img->buf[i][0] = r;
+        img->buf[i][1] = g;
+        img->buf[i][2] = b;
+    }
+}
+
+void put_pixel_unsafe(
+       	image img,
+        unsigned int x,
+        unsigned int y,
+        color_component r,
+        color_component g,
+        color_component b )
+{
+    unsigned int ofs;
+    ofs = (y * img->width) + x;
+    img->buf[ofs][0] = r;
+    img->buf[ofs][1] = g;
+    img->buf[ofs][2] = b;
+}
+
+void put_pixel_clip(
+       	image img,
+        unsigned int x,
+        unsigned int y,
+        color_component r,
+        color_component g,
+        color_component b )
+{
+    if (x < img->width && y < img->height)
+      put_pixel_unsafe(img, x, y, r, g, b);
+}