clan::Image Alpha::create_block(clan::Canvas &canvas, const clan::Colorf &colour)
{
const int size = 24;
clan::Color colour_int(colour);
clan::ubyte8 colour_a = colour_int.a;
clan::ubyte8 colour_r = colour_int.r;
clan::ubyte8 colour_g = colour_int.g;
clan::ubyte8 colour_b = colour_int.b;
clan::PixelBuffer pbuff(size, size, clan::tf_rgba8);
clan::ubyte8 *pixels = (clan::ubyte8 *) pbuff.get_data();
int pitch = pbuff.get_pitch();
for (int ypos = 0; ypos < size; ypos++)
{
clan::ubyte8 *dest_ptr = pixels + ypos * pitch;
for (int xpos = 0; xpos < size; xpos++)
{
*(dest_ptr++) = colour_a;
*(dest_ptr++) = colour_b;
*(dest_ptr++) = colour_g;
*(dest_ptr++) = colour_r;
}
}
return clan::Image(canvas, pbuff, pbuff.get_size());
}
CL_PixelBuffer CL_PNGProvider::load(CL_IODevice &iodev)
{
CL_PNGProvider_Impl png(iodev);
CL_PixelBuffer pbuff(png.width, png.height, png.sized_format, png.palette, png.get_data());
pbuff.set_colorkey(png.uses_src_colorkey(), png.get_src_colorkey());
return pbuff;
}
CL_PixelBuffer CL_PNGProvider::load(
const CL_String &filename,
const CL_VirtualDirectory &directory)
{
CL_PNGProvider_Impl png(filename, directory);
CL_PixelBuffer pbuff(png.width, png.height, png.sized_format, png.palette, png.get_data());
pbuff.set_colorkey(png.uses_src_colorkey(), png.get_src_colorkey());
return pbuff;
}
PixelBuffer PerlinNoise_Impl::create_noise4d(float start_x, float end_x, float start_y, float end_y, float z_position, float w_position)
{
setup();
if (texture_format == tf_rgba8)
{
PixelBuffer pbuff(width, height, texture_format);
PerlinNoise_PixelWriter_RGBA8 writer(pbuff);
create_noise4d(writer, start_x, end_x, start_y, end_y, z_position, w_position);
return pbuff;
}
if (texture_format == tf_rgb8)
{
PixelBuffer pbuff(width, height, texture_format);
PerlinNoise_PixelWriter_RGB8 writer(pbuff);
create_noise4d(writer, start_x, end_x, start_y, end_y, z_position, w_position);
return pbuff;
}
if (texture_format == tf_r8)
{
PixelBuffer pbuff(width, height, texture_format);
PerlinNoise_PixelWriter_R8 writer(pbuff);
create_noise4d(writer, start_x, end_x, start_y, end_y, z_position, w_position);
return pbuff;
}
if (texture_format == tf_r32f)
{
PixelBuffer pbuff(width, height, texture_format);
PerlinNoise_PixelWriter_R32f writer(pbuff);
create_noise4d(writer, start_x, end_x, start_y, end_y, z_position, w_position);
return pbuff;
}
throw Exception("sized format is not supported");
}
clan::Image Alpha::create_block(clan::Canvas &canvas, const clan::Colorf &colour)
{
const int size = 24;
clan::Color colour_int(colour);
clan::PixelBuffer pbuff(size, size, clan::tf_rgba8);
uint8_t *pixels = pbuff.get_data_uint8();
int pitch = pbuff.get_pitch();
for (int ypos = 0; ypos < size; ypos++)
{
uint8_t *dest_ptr = pixels + ypos * pitch;
for (int xpos = 0; xpos < size; xpos++)
{
*(dest_ptr++) = colour_int.r;
*(dest_ptr++) = colour_int.g;
*(dest_ptr++) = colour_int.b;
*(dest_ptr++) = colour_int.a;
}
}
return clan::Image(canvas, pbuff, pbuff.get_size());
}
