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FontEffect support - outlined fonts

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This commit is contained in:
Brian Fiete 2025-01-26 07:04:26 -08:00
parent 474bad09b2
commit 89bf475045
10 changed files with 385 additions and 8 deletions
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92
BeefySysLib/BeefySysLib.cpp
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@ -10,6 +10,7 @@
#include "util/Vector.h"
#include "util/PerfTimer.h"
#include "util/TLSingleton.h"
#include "img/ImgEffects.h"
#include "util/AllocDebug.h"
@ -474,12 +475,12 @@ BF_EXPORT TextureSegment* BF_CALLTYPE Gfx_LoadTexture(const char* fileName, int
BF_EXPORT void BF_CALLTYPE Gfx_Texture_SetBits(TextureSegment* textureSegment, int destX, int destY, int destWidth, int destHeight, int srcPitch, uint32* bits)
{
textureSegment->mTexture->SetBits(destX, destY, destWidth, destHeight, srcPitch, bits);
textureSegment->SetBits(destX, destY, destWidth, destHeight, srcPitch, bits);
}
BF_EXPORT void BF_CALLTYPE Gfx_Texture_GetBits(TextureSegment* textureSegment, int srcX, int srcY, int srcWidth, int srcHeight, int destPitch, uint32* bits)
{
textureSegment->mTexture->GetBits(srcX, srcY, srcWidth, srcHeight, destPitch, bits);
textureSegment->GetBits(srcX, srcY, srcWidth, srcHeight, destPitch, bits);
}
BF_EXPORT void BF_CALLTYPE Gfx_Texture_Delete(TextureSegment* textureSegment)
@ -516,6 +517,93 @@ BF_EXPORT void BF_CALLTYPE Gfx_ModifyTextureSegment(TextureSegment* destTextureS
destTextureSegment->mScaleY = (float)abs(srcHeight);
}
int32 FormatI32(const StringView& str)
{
String val = String(str);
if (val.StartsWith('#'))
{
return (int32)strtoll(val.c_str() + 1, NULL, 16);
}
if (val.StartsWith("0x"))
{
return (int32)strtoll(val.c_str() + 2, NULL, 16);
}
return atoi(val.c_str());
}
BF_EXPORT void BF_CALLTYPE Gfx_ApplyEffect(TextureSegment* destTextureSegment, TextureSegment* srcTextureSegment, char* optionsPtr)
{
BaseImageEffect* effect = NULL;
defer({
delete effect;
});
bool needsPremultiply = false;
String options = optionsPtr;
for (auto line : options.Split('\n'))
{
int eqPos = (int)line.IndexOf('=');
if (eqPos != -1)
{
StringView cmd = StringView(line, 0, eqPos);
StringView value = StringView(line, eqPos + 1);
if (cmd == "Effect")
{
if (value == "Stroke")
{
auto strokeEffect = new ImageStrokeEffect();
effect = strokeEffect;
strokeEffect->mPosition = 'OutF';
strokeEffect->mSize = 1;
strokeEffect->mColorFill.mColor = 0xFF000000;
}
}
if (cmd == "Size")
{
int32 size = FormatI32(value);
if (auto strokeEffect = dynamic_cast<ImageStrokeEffect*>(effect))
{
strokeEffect->mSize = size;
}
}
if (cmd == "Color")
{
uint32 color = (uint32)FormatI32(value);
if (auto strokeEffect = dynamic_cast<ImageStrokeEffect*>(effect))
{
strokeEffect->mColorFill.mColor = color;
if ((color & 0x00FFFFFF) != 0)
needsPremultiply = true;
}
}
}
}
if (effect != NULL)
{
ImageData destImageData;
ImageData srcImageData;
Rect srcRect = srcTextureSegment->GetRect();
Rect destRect = destTextureSegment->GetRect();
destTextureSegment->GetImageData(destImageData);
srcImageData.CreateNew(destImageData.mWidth, destImageData.mHeight);
srcTextureSegment->GetImageData(srcImageData,
(int)(destRect.mWidth - srcRect.mWidth) / 2,
(int)(destRect.mHeight - srcRect.mHeight) / 2);
effect->Apply(NULL, &srcImageData, &destImageData);
if (needsPremultiply)
destImageData.PremultiplyAlpha();
destTextureSegment->SetImageData(destImageData);
}
}
BF_EXPORT TextureSegment* BF_CALLTYPE Gfx_CreateTextureSegment(TextureSegment* textureSegment, int srcX, int srcY, int srcWidth, int srcHeight)
{
Texture* texture = textureSegment->mTexture;