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refactor VxImageDescEx

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This commit is contained in:
yyc12345
2023-09-11 14:39:07 +08:00
parent 1e0ed360bd
commit e2647ed39b
7 changed files with 195 additions and 149 deletions
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37
LibCmo/CK2/DataHandlers/CKBitmapHandler.cpp
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@ -53,29 +53,6 @@ namespace LibCmo::CK2::DataHandlers {
);
}
static void PostRead(stbi_uc* data, int x, int y, VxMath::VxImageDescEx* read_image) {
// scale image if need
if (x != read_image->GetWidth() || y != read_image->GetHeight()) {
// alloc
CKBYTE* newdata = new CKBYTE[read_image->GetImageSize()];
// resize
stbir_resize(
data, x, y, 0,
newdata, static_cast<int>(read_image->GetWidth()), static_cast<int>(read_image->GetHeight()), 0,
STBIR_TYPE_UINT8, 4, STBIR_ALPHA_CHANNEL_NONE, 0, // no alpha channel, mean we treat alpha channel as a normal color factor.
STBIR_EDGE_CLAMP, STBIR_EDGE_CLAMP,
STBIR_FILTER_BOX, STBIR_FILTER_BOX,
STBIR_COLORSPACE_SRGB, nullptr
);
// copy data
RGBAToARGB(read_image->GetPixelCount(), newdata, read_image->GetMutableImage());
// free
delete[] newdata;
} else {
// copy data RGBA -> ARGB
RGBAToARGB(read_image->GetPixelCount(), data, read_image->GetMutableImage());
}
}
static bool StbReadFile(CKSTRING u8filename, VxMath::VxImageDescEx* read_image) {
if (u8filename == nullptr || read_image == nullptr) return false;
FILE* fs = EncodingHelper::U8FOpen(u8filename, "rb");
@ -87,8 +64,11 @@ namespace LibCmo::CK2::DataHandlers {
std::fclose(fs);
if (data == nullptr) return false;
// scale image if need
PostRead(data, x, y, read_image);
// create read image
read_image->CreateImage(static_cast<CKDWORD>(x), static_cast<CKDWORD>(y));
// copy data
RGBAToARGB(read_image->GetPixelCount(), data, read_image->GetMutableImage());
// clear data
stbi_image_free(data);
@ -106,9 +86,12 @@ namespace LibCmo::CK2::DataHandlers {
&x, &y, &channels_in_file, 4 // 4 == RGBA8888
);
if (data == nullptr) return false;
// create read image
read_image->CreateImage(static_cast<CKDWORD>(x), static_cast<CKDWORD>(y));
// scale image if need
PostRead(data, x, y, read_image);
// copy data
RGBAToARGB(read_image->GetPixelCount(), data, read_image->GetMutableImage());
// clear data
stbi_image_free(data);