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Removed rounding in glyphs per row overestimating

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This commit is contained in:
Doyle Thai 2016-07-07 22:44:22 +10:00
parent 13a2152bf6
commit a04c43681d
2 changed files with 6 additions and 14 deletions
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18
src/AssetManager.c
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@ -9,7 +9,7 @@
#include "Dengine/Platform.h"
#include "Dengine/AssetManager.h"
//#define WT_RENDER_FONT_FILE
#define WT_RENDER_FONT_FILE
#ifdef WT_RENDER_FONT_FILE
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include <STB/stb_image_write.h>
@ -136,7 +136,7 @@ const i32 asset_loadTTFont(AssetManager *assetManager, const char *filePath)
CAST(GlyphBitmap *) calloc(numGlyphs, sizeof(GlyphBitmap));
v2i largestGlyphDimension = V2i(0, 0);
const f32 targetFontHeight = 64.0f;
const f32 targetFontHeight = 32.0f;
f32 scaleY = stbtt_ScaleForPixelHeight(&fontInfo, targetFontHeight);
i32 ascent, descent, lineGap;
@ -218,22 +218,14 @@ const i32 asset_loadTTFont(AssetManager *assetManager, const char *filePath)
/*
* NOTE(doyle): Use rasterised TTF bitmap-characters combine them all into
* one bitmap as an atlas. We determine how many glyphs we can fit per row
* by determining the largest glyph size we have. Rounding it to the nearest
* multiple of 2 and dividing by our target texture size.
* by determining the largest glyph size we have.
*
* For the amount of glyphs we fit per row, we iterate through them and
* write each row of the glyph adjacent to the next until we finish writing
* all pixels for the glyphs, then move onto the next set of glyphs.
*/
if ((largestGlyphDimension.w & 1) == 1)
largestGlyphDimension.w += 1;
if ((largestGlyphDimension.h & 1) == 1)
largestGlyphDimension.h += 1;
font->maxSize= largestGlyphDimension;
i32 glyphsPerRow = (MAX_TEXTURE_SIZE / font->maxSize.w) + 1;
font->maxSize = largestGlyphDimension;
i32 glyphsPerRow = (MAX_TEXTURE_SIZE / font->maxSize.w);
#ifdef WT_DEBUG
i32 glyphsPerCol = MAX_TEXTURE_SIZE / font->maxSize.h;

2
src/WorldTraveller.c
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@ -39,7 +39,7 @@ void worldTraveller_gameInit(GameState *state, v2i windowSize)
asset_loadShaderFiles(assetManager, "data/shaders/sprite.vert.glsl",
"data/shaders/sprite.frag.glsl", shaderlist_sprite);
asset_loadTTFont(assetManager, "C:/Windows/Fonts/Arial.ttf");
asset_loadTTFont(assetManager, "C:/Windows/Fonts/Arialbd.ttf");
glCheckError();
state->state = state_active;