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https://github.com/moparisthebest/minetest
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Suppress CGUITTFONT build warnings
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@ -29,6 +29,7 @@
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*/
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#include <irrlicht.h>
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#include <iostream>
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#include "CGUITTFont.h"
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namespace irr
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@ -64,8 +65,24 @@ scene::SMesh CGUITTFont::shared_plane_;
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//
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/** Checks that no dimension of the FT_BitMap object is negative. If either is
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* negative, abort execution.
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*/
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inline void checkFontBitmapSize(const FT_Bitmap &bits)
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{
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if ((s32)bits.rows < 0 || (s32)bits.width < 0) {
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std::cout << "Insane font glyph size. File: "
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<< __FILE__ << " Line " << __LINE__
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<< std::endl;
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abort();
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}
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}
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video::IImage* SGUITTGlyph::createGlyphImage(const FT_Bitmap& bits, video::IVideoDriver* driver) const
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{
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// Make sure our casts to s32 in the loops below will not cause problems
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checkFontBitmapSize(bits);
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// Determine what our texture size should be.
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// Add 1 because textures are inclusive-exclusive.
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core::dimension2du d(bits.width + 1, bits.rows + 1);
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@ -87,10 +104,11 @@ video::IImage* SGUITTGlyph::createGlyphImage(const FT_Bitmap& bits, video::IVide
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const u32 image_pitch = image->getPitch() / sizeof(u16);
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u16* image_data = (u16*)image->lock();
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u8* glyph_data = bits.buffer;
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for (int y = 0; y < bits.rows; ++y)
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for (s32 y = 0; y < (s32)bits.rows; ++y)
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{
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u16* row = image_data;
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for (int x = 0; x < bits.width; ++x)
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for (s32 x = 0; x < (s32)bits.width; ++x)
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{
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// Monochrome bitmaps store 8 pixels per byte. The left-most pixel is the bit 0x80.
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// So, we go through the data each bit at a time.
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@ -116,10 +134,10 @@ video::IImage* SGUITTGlyph::createGlyphImage(const FT_Bitmap& bits, video::IVide
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const u32 image_pitch = image->getPitch() / sizeof(u32);
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u32* image_data = (u32*)image->lock();
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u8* glyph_data = bits.buffer;
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for (int y = 0; y < bits.rows; ++y)
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for (s32 y = 0; y < (s32)bits.rows; ++y)
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{
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u8* row = glyph_data;
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for (int x = 0; x < bits.width; ++x)
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for (s32 x = 0; x < (s32)bits.width; ++x)
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{
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image_data[y * image_pitch + x] |= static_cast<u32>(255.0f * (static_cast<float>(*row++) / gray_count)) << 24;
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//data[y * image_pitch + x] |= ((u32)(*bitsdata++) << 24);
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