* in progress *

[winnie] / src / pixmap.cc

diff --git a/src/pixmap.cc b/src/pixmap.cc
new file mode 100644 (file)
index 0000000..5c9b242
--- /dev/null
+++ b/src/pixmap.cc
@@ -0,0 +1,86 @@
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include "pixmap.h"
+
+Pixmap::Pixmap()
+{
+       width = height = 0;
+       pixels = 0;
+}
+
+Pixmap::~Pixmap()
+{
+       if(pixels) {
+               delete [] pixels;
+       }
+}
+
+int Pixmap::get_width() const
+{
+       return width;
+}
+
+int Pixmap::get_height() const
+{
+       return height;
+}
+
+Rect Pixmap::get_rect() const
+{
+       Rect rect = {0, 0, width, height};
+       return rect;
+}
+
+bool Pixmap::set_image(int x, int y, unsigned char *pix)
+{
+       delete [] pixels;
+
+       pixels = new unsigned char[x * y * 4];
+       width = x;
+       height = y;
+
+       if(pix) {
+               memcpy(pixels, pix, x * y * 4);
+       }
+       return true;
+}
+
+const unsigned char *Pixmap::get_image() const
+{
+       return pixels;
+}
+
+unsigned char *Pixmap::get_image()
+{
+       return pixels;
+}
+
+bool Pixmap::load(const char *fname)
+{
+       return false;   // TODO
+}
+
+bool Pixmap::save(const char *fname) const
+{
+       if(!pixels) {
+               return false;
+       }
+
+       FILE *fp = fopen(fname, "wb");
+       if(!fp) {
+               fprintf(stderr, "failed to save pixmap: %s: %s\n", fname, strerror(errno));
+               return false;
+       }
+
+       fprintf(fp, "P6\n%d %d\n255\n", width, height);
+
+       for(int i=0; i<width * height; i++) {
+               fputc(pixels[i * 4], fp);
+               fputc(pixels[i * 4 + 1], fp);
+               fputc(pixels[i * 4 + 2], fp);
+       }
+
+       fclose(fp);
+       return true;
+}