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tobid7
2022-07-31 10:02:29 +02:00
parent 9213a1d5dd
commit 1ae4ff72d3
4 changed files with 45 additions and 33 deletions
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30
source/NFontApi.cpp
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@@ -2,6 +2,9 @@
#define STB_TRUETYPE_IMPLEMENTATION // force following include to generate implementation
#include <renderd7/external/stb_truetype.h>
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include <renderd7/external/stb_image_write.h>
RenderD7::NFontApi::NFontApi()
{
@@ -32,39 +35,42 @@ void RenderD7::NFontApi::LoadTTF(std::string path)
return;
}
status+="success!\n";
b_h = 128;
b_w = 512;
l_h = 24; /* line height */
scale = stbtt_ScaleForPixelHeight(&font, l_h);
stbtt_GetFontVMetrics(&font, &ascent,&decent,0);
stbtt_GetFontVMetrics(&font, &ascent,&decent,&linegap);
linespace = scale * (ascent - decent + linegap);
baseline = (int) (ascent*scale);
height = (int) ((ascent - decent)*scale);
}
std::vector<unsigned char> RenderD7::NFontApi::GetGlyphBitmap(int glyph)
unsigned char* RenderD7::NFontApi::GetGlyphBitmap(char glyph)
{
stbtt_GetGlyphBitmapBox(&font, glyph, scale, scale, &x0, &y0, &x1, &y1);
//stbtt_GetGlyphBitmapBox(&font, glyph, scale, scale, &x0, &y0, &x1, &y1);
stbtt_GetCodepointBitmapBox(&font, glyph, scale, scale, &x0, &y0, &x1, &y1);
w = x1-x0;
h = y1-y0;
std::vector<unsigned char> bitmap;
bitmap.resize(h*w);
stbtt_MakeGlyphBitmap(&font, bitmap.data(), w, h, w, scale, scale, glyph);
unsigned char* bitmap;
bitmap = stbtt_GetCodepointBitmap(&font, scale, scale, glyph, &w, &h, 0, 0);
return bitmap;
}
int RenderD7::NFontApi::GetGlyphHeight(int glyph)
int RenderD7::NFontApi::GetGlyphHeight(char glyph)
{
stbtt_GetGlyphBitmapBox(&font, glyph, scale, scale, &x0, &y0, &x1, &y1);
stbtt_GetCodepointBitmapBox(&font, glyph, scale, scale, &x0, &y0, &x1, &y1);
w = x1-x0;
h = y1-y0;
return h;
}
int RenderD7::NFontApi::GetGlyphWidth(int glyph)
int RenderD7::NFontApi::GetGlyphWidth(char glyph)
{
stbtt_GetGlyphBitmapBox(&font, glyph, scale, scale, &x0, &y0, &x1, &y1);
stbtt_GetCodepointBitmapBox(&font, glyph, scale, scale, &x0, &y0, &x1, &y1);
w = x1-x0;
h = y1-y0;
return w;
}
}