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texture-buffer.c
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texture-buffer.c
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#include "texture-buffer.h"
#include <glib.h>
void
texture_buffer_set_pixel (TextureBuffer *self,
guint x,
guint y,
guint8 r,
guint8 g,
guint8 b)
{
self->data[((y * self->width + x) << 2) | 0] = r;
self->data[((y * self->width + x) << 2) | 1] = g;
self->data[((y * self->width + x) << 2) | 2] = b;
self->data[((y * self->width + x) << 2) | 3] = 255;
}
TextureBuffer*
texture_buffer_new (guint width,
guint height)
{
TextureBuffer *self = g_slice_new (TextureBuffer);
self->data = g_slice_alloc (4 * width * height);
self->width = width;
self->height = height;
return self;
}
void
texture_buffer_free (TextureBuffer *self)
{
g_slice_free1 (4 * self->width * self->height, self->data);
g_slice_free (TextureBuffer, self);
}
void
texture_buffer_fill(TextureBuffer *self, guint8 r, guint8 g, guint8 b)
{
for (int y = 0; y < self->height; y++)
{
for (int x = 0; x < self->width; x++)
{
texture_buffer_set_pixel(self, x, y, r, g, b);
}
}
}