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Spectre/Graphics/PixelFormat: Rework

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source/Graphics/Image/IcoFormat.cpp: use new PixelFormat.
source/Graphics/Image.cpp: update to confirm with new PixelFormat
Spectre/Graphics/PixelFormat: add PF_getNumChannels()
Spectre/Graphics/PixelFormat: Rework the enum with proper naming convention and documentation.
This commit is contained in:
Henrik Hautakoski 2020-11-03 14:20:36 +01:00
parent 82add50157
commit c731cda1a2
5 changed files with 73 additions and 16 deletions
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17
source/Graphics/Image.cpp
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@ -165,29 +165,28 @@ void Image::flipY()
void Image::setPixels(const void *pixels, PixelFormat format)
{
switch(format) {
case PixelFormat::PF_RGB :
case PixelFormat::PF_32BGR :
m_channels = RGB;
break;
case PixelFormat::PF_RGBA :
case PixelFormat::PF_32BGRA :
switch(PF_getNumChannels(format)) {
case 4:
m_channels = RGBA;
break;
case 3:
m_channels = RGB;
break;
default :
m_channels = Alpha;
}
m_pixels.resize(m_size.y * getStride());
if (format == PixelFormat::PF_32BGR || format == PixelFormat::PF_32BGRA) {
// TODO: Move pixel format convertion to it's own function(s)
if (format == PixelFormat::PF_BGR || format == PixelFormat::PF_BGRA) {
const uint8_t *ptr = (const uint8_t *) pixels;
for(int i = 0; i < m_pixels.size(); i += 4) {
m_pixels[i+0] = ptr[2];
m_pixels[i+1] = ptr[1];
m_pixels[i+2] = ptr[0];
if (format == PixelFormat::PF_32BGRA) {
if (format == PixelFormat::PF_BGRA) {
m_pixels[i+3] = ptr[3];
}
ptr += 4;