Reworking the build system

1 files changed, 0 insertions, 1790 deletions

diff --git a/source/nanovg/fontstash.h b/source/nanovg/fontstash.h
deleted file mode 100644
index 29d5caf..0000000
--- a/source/nanovg/fontstash.h
+++ /dev/null
@@ -1,1790 +0,0 @@
-//
-// Copyright (c) 2009-2013 Mikko Mononen memon@inside.org
-//
-// This software is provided 'as-is', without any express or implied
-// warranty.  In no event will the authors be held liable for any damages
-// arising from the use of this software.
-// Permission is granted to anyone to use this software for any purpose,
-// including commercial applications, and to alter it and redistribute it
-// freely, subject to the following restrictions:
-// 1. The origin of this software must not be misrepresented; you must not
-//    claim that you wrote the original software. If you use this software
-//    in a product, an acknowledgment in the product documentation would be
-//    appreciated but is not required.
-// 2. Altered source versions must be plainly marked as such, and must not be
-//    misrepresented as being the original software.
-// 3. This notice may not be removed or altered from any source distribution.
-//
-
-#ifndef FONTSTASH_H_F380F1FA_CDA3_11EA_AF58_0FE5E5086B14
-#define FONTSTASH_H_F380F1FA_CDA3_11EA_AF58_0FE5E5086B14
-
-#define FONS_INVALID -1
-
-enum FONSflags {
-	FONS_ZERO_TOPLEFT = 1,
-	FONS_ZERO_BOTTOMLEFT = 2,
-};
-
-enum FONSalign {
-	// Horizontal align
-	FONS_ALIGN_LEFT 	= 1<<0,	// Default
-	FONS_ALIGN_CENTER 	= 1<<1,
-	FONS_ALIGN_RIGHT 	= 1<<2,
-	// Vertical align
-	FONS_ALIGN_TOP 		= 1<<3,
-	FONS_ALIGN_MIDDLE	= 1<<4,
-	FONS_ALIGN_BOTTOM	= 1<<5,
-	FONS_ALIGN_BASELINE	= 1<<6, // Default
-};
-
-enum FONSglyphBitmap {
-	FONS_GLYPH_BITMAP_OPTIONAL = 1,
-	FONS_GLYPH_BITMAP_REQUIRED = 2,
-};
-
-enum FONSerrorCode {
-	// Font atlas is full.
-	FONS_ATLAS_FULL = 1,
-	// Scratch memory used to render glyphs is full, requested size reported in 'val', you may need to bump up FONS_SCRATCH_BUF_SIZE.
-	FONS_SCRATCH_FULL = 2,
-	// Calls to fonsPushState has created too large stack, if you need deep state stack bump up FONS_MAX_STATES.
-	FONS_STATES_OVERFLOW = 3,
-	// Trying to pop too many states fonsPopState().
-	FONS_STATES_UNDERFLOW = 4,
-};
-
-struct FONSparams {
-	int width, height;
-	unsigned char flags;
-	void* userPtr;
-	int (*renderCreate)(void* uptr, int width, int height);
-	int (*renderResize)(void* uptr, int width, int height);
-	void (*renderUpdate)(void* uptr, int* rect, const unsigned char* data);
-	void (*renderDraw)(void* uptr, const float* verts, const float* tcoords, const unsigned int* colors, int nverts);
-	void (*renderDelete)(void* uptr);
-};
-typedef struct FONSparams FONSparams;
-
-struct FONSquad
-{
-	float x0,y0,s0,t0;
-	float x1,y1,s1,t1;
-};
-typedef struct FONSquad FONSquad;
-
-struct FONStextIter {
-	float x, y, nextx, nexty, scale, spacing;
-	unsigned int codepoint;
-	short isize, iblur;
-	struct FONSfont* font;
-	int prevGlyphIndex;
-	const char* str;
-	const char* next;
-	const char* end;
-	unsigned int utf8state;
-	int bitmapOption;
-};
-typedef struct FONStextIter FONStextIter;
-
-typedef struct FONScontext FONScontext;
-
-// Constructor and destructor.
-FONScontext* fonsCreateInternal(FONSparams* params);
-void fonsDeleteInternal(FONScontext* s);
-
-void fonsSetErrorCallback(FONScontext* s, void (*callback)(void* uptr, int error, int val), void* uptr);
-// Returns current atlas size.
-void fonsGetAtlasSize(FONScontext* s, int* width, int* height);
-// Expands the atlas size.
-int fonsExpandAtlas(FONScontext* s, int width, int height);
-// Resets the whole stash.
-int fonsResetAtlas(FONScontext* stash, int width, int height);
-
-// Add fonts
-int fonsAddFont(FONScontext* s, const char* name, const char* path, int fontIndex);
-int fonsAddFontMem(FONScontext* s, const char* name, unsigned char* data, int ndata, int freeData, int fontIndex);
-int fonsGetFontByName(FONScontext* s, const char* name);
-
-// State handling
-void fonsPushState(FONScontext* s);
-void fonsPopState(FONScontext* s);
-void fonsClearState(FONScontext* s);
-
-// State setting
-void fonsSetSize(FONScontext* s, float size);
-void fonsSetColor(FONScontext* s, unsigned int color);
-void fonsSetSpacing(FONScontext* s, float spacing);
-void fonsSetBlur(FONScontext* s, float blur);
-void fonsSetAlign(FONScontext* s, int align);
-void fonsSetFont(FONScontext* s, int font);
-
-// Draw text
-float fonsDrawText(FONScontext* s, float x, float y, const char* string, const char* end);
-
-// Measure text
-float fonsTextBounds(FONScontext* s, float x, float y, const char* string, const char* end, float* bounds);
-void fonsLineBounds(FONScontext* s, float y, float* miny, float* maxy);
-void fonsVertMetrics(FONScontext* s, float* ascender, float* descender, float* lineh);
-
-// Text iterator
-int fonsTextIterInit(FONScontext* stash, FONStextIter* iter, float x, float y, const char* str, const char* end, int bitmapOption);
-int fonsTextIterNext(FONScontext* stash, FONStextIter* iter, struct FONSquad* quad);
-
-// Pull texture changes
-const unsigned char* fonsGetTextureData(FONScontext* stash, int* width, int* height);
-int fonsValidateTexture(FONScontext* s, int* dirty);
-
-// Draws the stash texture for debugging
-void fonsDrawDebug(FONScontext* s, float x, float y);
-
-#endif // FONTSTASH_H_F380F1FA_CDA3_11EA_AF58_0FE5E5086B14
-
-
-#ifdef FONTSTASH_IMPLEMENTATION
-
-#define FONS_NOTUSED(v)  (void)sizeof(v)
-
-#ifdef FONS_USE_FREETYPE
-
-#include <ft2build.h>
-#include FT_FREETYPE_H
-#include FT_ADVANCES_H
-#include <math.h>
-
-struct FONSttFontImpl {
-	FT_Face font;
-};
-typedef struct FONSttFontImpl FONSttFontImpl;
-
-#else
-
-#define STB_TRUETYPE_IMPLEMENTATION
-static void* fons__tmpalloc(size_t size, void* up);
-static void fons__tmpfree(void* ptr, void* up);
-#define STBTT_malloc(x,u)    fons__tmpalloc(x,u)
-#define STBTT_free(x,u)      fons__tmpfree(x,u)
-#include "../stb/stb_truetype.h"
-
-struct FONSttFontImpl {
-	stbtt_fontinfo font;
-};
-typedef struct FONSttFontImpl FONSttFontImpl;
-
-#endif
-
-#ifndef FONS_SCRATCH_BUF_SIZE
-#	define FONS_SCRATCH_BUF_SIZE 96000
-#endif
-#ifndef FONS_HASH_LUT_SIZE
-#	define FONS_HASH_LUT_SIZE 256
-#endif
-#ifndef FONS_INIT_FONTS
-#	define FONS_INIT_FONTS 4
-#endif
-#ifndef FONS_INIT_GLYPHS
-#	define FONS_INIT_GLYPHS 256
-#endif
-#ifndef FONS_INIT_ATLAS_NODES
-#	define FONS_INIT_ATLAS_NODES 256
-#endif
-#ifndef FONS_VERTEX_COUNT
-#	define FONS_VERTEX_COUNT 1024
-#endif
-#ifndef FONS_MAX_STATES
-#	define FONS_MAX_STATES 20
-#endif
-#ifndef FONS_MAX_FALLBACKS
-#	define FONS_MAX_FALLBACKS 20
-#endif
-
-static unsigned int fons__hashint(unsigned int a)
-{
-	a += ~(a<<15);
-	a ^=  (a>>10);
-	a +=  (a<<3);
-	a ^=  (a>>6);
-	a += ~(a<<11);
-	a ^=  (a>>16);
-	return a;
-}
-
-static int fons__mini(int a, int b)
-{
-	return a < b ? a : b;
-}
-
-static int fons__maxi(int a, int b)
-{
-	return a > b ? a : b;
-}
-
-struct FONSglyph
-{
-	unsigned int codepoint;
-	int index;
-	int next;
-	short size, blur;
-	short x0,y0,x1,y1;
-	short xadv,xoff,yoff;
-};
-typedef struct FONSglyph FONSglyph;
-
-struct FONSfont
-{
-	FONSttFontImpl font;
-	char name[64];
-	unsigned char* data;
-	int dataSize;
-	unsigned char freeData;
-	float ascender;
-	float descender;
-	float lineh;
-	FONSglyph* glyphs;
-	int cglyphs;
-	int nglyphs;
-	int lut[FONS_HASH_LUT_SIZE];
-	int fallbacks[FONS_MAX_FALLBACKS];
-	int nfallbacks;
-};
-typedef struct FONSfont FONSfont;
-
-struct FONSstate
-{
-	int font;
-	int align;
-	float size;
-	unsigned int color;
-	float blur;
-	float spacing;
-};
-typedef struct FONSstate FONSstate;
-
-struct FONSatlasNode {
-    short x, y, width;
-};
-typedef struct FONSatlasNode FONSatlasNode;
-
-struct FONSatlas
-{
-	int width, height;
-	FONSatlasNode* nodes;
-	int nnodes;
-	int cnodes;
-};
-typedef struct FONSatlas FONSatlas;
-
-struct FONScontext
-{
-	FONSparams params;
-	float itw,ith;
-	unsigned char* texData;
-	int dirtyRect[4];
-	FONSfont** fonts;
-	FONSatlas* atlas;
-	int cfonts;
-	int nfonts;
-	float verts[FONS_VERTEX_COUNT*2];
-	float tcoords[FONS_VERTEX_COUNT*2];
-	unsigned int colors[FONS_VERTEX_COUNT];
-	int nverts;
-	unsigned char* scratch;
-	int nscratch;
-	FONSstate states[FONS_MAX_STATES];
-	int nstates;
-	void (*handleError)(void* uptr, int error, int val);
-	void* errorUptr;
-#ifdef FONS_USE_FREETYPE
-	FT_Library ftLibrary;
-#endif
-};
-
-#ifdef FONS_USE_FREETYPE
-
-int fons__tt_init(FONScontext *context)
-{
-	FT_Error ftError;
-	FONS_NOTUSED(context);
-	ftError = FT_Init_FreeType(&context->ftLibrary);
-	return ftError == 0;
-}
-
-int fons__tt_done(FONScontext *context)
-{
-	FT_Error ftError;
-	FONS_NOTUSED(context);
-	ftError = FT_Done_FreeType(context->ftLibrary);
-	return ftError == 0;
-}
-
-int fons__tt_loadFont(FONScontext *context, FONSttFontImpl *font, unsigned char *data, int dataSize, int fontIndex)
-{
-	FT_Error ftError;
-	FONS_NOTUSED(context);
-
-	ftError = FT_New_Memory_Face(context->ftLibrary, (const FT_Byte*)data, dataSize, fontIndex, &font->font);
-	return ftError == 0;
-}
-
-void fons__tt_getFontVMetrics(FONSttFontImpl *font, int *ascent, int *descent, int *lineGap)
-{
-	*ascent = font->font->ascender;
-	*descent = font->font->descender;
-	*lineGap = font->font->height - (*ascent - *descent);
-}
-
-float fons__tt_getPixelHeightScale(FONSttFontImpl *font, float size)
-{
-	return size / font->font->units_per_EM;
-}
-
-int fons__tt_getGlyphIndex(FONSttFontImpl *font, int codepoint)
-{
-	return FT_Get_Char_Index(font->font, codepoint);
-}
-
-int fons__tt_buildGlyphBitmap(FONSttFontImpl *font, int glyph, float size, float scale,
-							  int *advance, int *lsb, int *x0, int *y0, int *x1, int *y1)
-{
-	FT_Error ftError;
-	FT_GlyphSlot ftGlyph;
-	FT_Fixed advFixed;
-	FONS_NOTUSED(scale);
-
-	ftError = FT_Set_Pixel_Sizes(font->font, 0, size);
-	if (ftError) return 0;
-	ftError = FT_Load_Glyph(font->font, glyph, FT_LOAD_RENDER | FT_LOAD_FORCE_AUTOHINT | FT_LOAD_TARGET_LIGHT);
-	if (ftError) return 0;
-	ftError = FT_Get_Advance(font->font, glyph, FT_LOAD_NO_SCALE, &advFixed);
-	if (ftError) return 0;
-	ftGlyph = font->font->glyph;
-	*advance = (int)advFixed;
-	*lsb = (int)ftGlyph->metrics.horiBearingX;
-	*x0 = ftGlyph->bitmap_left;
-	*x1 = *x0 + ftGlyph->bitmap.width;
-	*y0 = -ftGlyph->bitmap_top;
-	*y1 = *y0 + ftGlyph->bitmap.rows;
-	return 1;
-}
-
-void fons__tt_renderGlyphBitmap(FONSttFontImpl *font, unsigned char *output, int outWidth, int outHeight, int outStride,
-								float scaleX, float scaleY, int glyph)
-{
-	FT_GlyphSlot ftGlyph = font->font->glyph;
-	int ftGlyphOffset = 0;
-	unsigned int x, y;
-	FONS_NOTUSED(outWidth);
-	FONS_NOTUSED(outHeight);
-	FONS_NOTUSED(scaleX);
-	FONS_NOTUSED(scaleY);
-	FONS_NOTUSED(glyph);	// glyph has already been loaded by fons__tt_buildGlyphBitmap
-
-	for ( y = 0; y < ftGlyph->bitmap.rows; y++ ) {
-		for ( x = 0; x < ftGlyph->bitmap.width; x++ ) {
-			output[(y * outStride) + x] = ftGlyph->bitmap.buffer[ftGlyphOffset++];
-		}
-	}
-}
-
-int fons__tt_getGlyphKernAdvance(FONSttFontImpl *font, int glyph1, int glyph2)
-{
-	FT_Vector ftKerning;
-	FT_Get_Kerning(font->font, glyph1, glyph2, FT_KERNING_DEFAULT, &ftKerning);
-	return (int)((ftKerning.x + 32) >> 6);  // Round up and convert to integer
-}
-
-#else
-
-int fons__tt_init(FONScontext *context)
-{
-	FONS_NOTUSED(context);
-	return 1;
-}
-
-int fons__tt_done(FONScontext *context)
-{
-	FONS_NOTUSED(context);
-	return 1;
-}
-
-int fons__tt_loadFont(FONScontext *context, FONSttFontImpl *font, unsigned char *data, int dataSize, int fontIndex)
-{
-	int offset, stbError;
-	FONS_NOTUSED(dataSize);
-
-	font->font.userdata = context;
-	offset = stbtt_GetFontOffsetForIndex(data, fontIndex);
-	if (offset == -1) {
-		stbError = 0;
-	} else {
-		stbError = stbtt_InitFont(&font->font, data, offset);
-	}
-	return stbError;
-}
-
-void fons__tt_getFontVMetrics(FONSttFontImpl *font, int *ascent, int *descent, int *lineGap)
-{
-	stbtt_GetFontVMetrics(&font->font, ascent, descent, lineGap);
-}
-
-float fons__tt_getPixelHeightScale(FONSttFontImpl *font, float size)
-{
-	return stbtt_ScaleForMappingEmToPixels(&font->font, size);
-}
-
-int fons__tt_getGlyphIndex(FONSttFontImpl *font, int codepoint)
-{
-	return stbtt_FindGlyphIndex(&font->font, codepoint);
-}
-
-int fons__tt_buildGlyphBitmap(FONSttFontImpl *font, int glyph, float size, float scale,
-							  int *advance, int *lsb, int *x0, int *y0, int *x1, int *y1)
-{
-	FONS_NOTUSED(size);
-	stbtt_GetGlyphHMetrics(&font->font, glyph, advance, lsb);
-	stbtt_GetGlyphBitmapBox(&font->font, glyph, scale, scale, x0, y0, x1, y1);
-	return 1;
-}
-
-void fons__tt_renderGlyphBitmap(FONSttFontImpl *font, unsigned char *output, int outWidth, int outHeight, int outStride,
-								float scaleX, float scaleY, int glyph)
-{
-	stbtt_MakeGlyphBitmap(&font->font, output, outWidth, outHeight, outStride, scaleX, scaleY, glyph);
-}
-
-int fons__tt_getGlyphKernAdvance(FONSttFontImpl *font, int glyph1, int glyph2)
-{
-	return stbtt_GetGlyphKernAdvance(&font->font, glyph1, glyph2);
-}
-
-#endif
-
-#ifdef STB_TRUETYPE_IMPLEMENTATION
-
-static void* fons__tmpalloc(size_t size, void* up)
-{
-	unsigned char* ptr;
-	FONScontext* stash = (FONScontext*)up;
-
-	// 16-byte align the returned pointer
-	size = (size + 0xf) & ~0xf;
-
-	if (stash->nscratch+(int)size > FONS_SCRATCH_BUF_SIZE) {
-		if (stash->handleError)
-			stash->handleError(stash->errorUptr, FONS_SCRATCH_FULL, stash->nscratch+(int)size);
-		return NULL;
-	}
-	ptr = stash->scratch + stash->nscratch;
-	stash->nscratch += (int)size;
-	return ptr;
-}
-
-static void fons__tmpfree(void* ptr, void* up)
-{
-	(void)ptr;
-	(void)up;
-	// empty
-}
-
-#endif // STB_TRUETYPE_IMPLEMENTATION
-
-// Copyright (c) 2008-2010 Bjoern Hoehrmann <bjoern@hoehrmann.de>
-// See http://bjoern.hoehrmann.de/utf-8/decoder/dfa/ for details.
-
-#define FONS_UTF8_ACCEPT 0
-#define FONS_UTF8_REJECT 12
-
-static unsigned int fons__decutf8(unsigned int* state, unsigned int* codep, unsigned int byte)
-{
-	static const unsigned char utf8d[] = {
-		// The first part of the table maps bytes to character classes that
-		// to reduce the size of the transition table and create bitmasks.
-		0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-		0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-		0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-		0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-		1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,  9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,
-		7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,  7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-		8,8,2,2,2,2,2,2,2,2,2,2,2,2,2,2,  2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
-		10,3,3,3,3,3,3,3,3,3,3,3,3,4,3,3, 11,6,6,6,5,8,8,8,8,8,8,8,8,8,8,8,
-
-		// The second part is a transition table that maps a combination
-		// of a state of the automaton and a character class to a state.
-		0,12,24,36,60,96,84,12,12,12,48,72, 12,12,12,12,12,12,12,12,12,12,12,12,
-		12, 0,12,12,12,12,12, 0,12, 0,12,12, 12,24,12,12,12,12,12,24,12,24,12,12,
-		12,12,12,12,12,12,12,24,12,12,12,12, 12,24,12,12,12,12,12,12,12,24,12,12,
-		12,12,12,12,12,12,12,36,12,36,12,12, 12,36,12,12,12,12,12,36,12,36,12,12,
-		12,36,12,12,12,12,12,12,12,12,12,12,
-    };
-
-	unsigned int type = utf8d[byte];
-
-    *codep = (*state != FONS_UTF8_ACCEPT) ?
-		(byte & 0x3fu) | (*codep << 6) :
-		(0xff >> type) & (byte);
-
-	*state = utf8d[256 + *state + type];
-	return *state;
-}
-
-// Atlas based on Skyline Bin Packer by Jukka Jylänki
-
-static void fons__deleteAtlas(FONSatlas* atlas)
-{
-	if (atlas == NULL) return;
-	if (atlas->nodes != NULL) free(atlas->nodes);
-	free(atlas);
-}
-
-static FONSatlas* fons__allocAtlas(int w, int h, int nnodes)
-{
-	FONSatlas* atlas = NULL;
-
-	// Allocate memory for the font stash.
-	atlas = (FONSatlas*)malloc(sizeof(FONSatlas));
-	if (atlas == NULL) goto error;
-	memset(atlas, 0, sizeof(FONSatlas));
-
-	atlas->width = w;
-	atlas->height = h;
-
-	// Allocate space for skyline nodes
-	atlas->nodes = (FONSatlasNode*)malloc(sizeof(FONSatlasNode) * nnodes);
-	if (atlas->nodes == NULL) goto error;
-	memset(atlas->nodes, 0, sizeof(FONSatlasNode) * nnodes);
-	atlas->nnodes = 0;
-	atlas->cnodes = nnodes;
-
-	// Init root node.
-	atlas->nodes[0].x = 0;
-	atlas->nodes[0].y = 0;
-	atlas->nodes[0].width = (short)w;
-	atlas->nnodes++;
-
-	return atlas;
-
-error:
-	if (atlas) fons__deleteAtlas(atlas);
-	return NULL;
-}
-
-static int fons__atlasInsertNode(FONSatlas* atlas, int idx, int x, int y, int w)
-{
-	int i;
-	// Insert node
-	if (atlas->nnodes+1 > atlas->cnodes) {
-		atlas->cnodes = atlas->cnodes == 0 ? 8 : atlas->cnodes * 2;
-		atlas->nodes = (FONSatlasNode*)realloc(atlas->nodes, sizeof(FONSatlasNode) * atlas->cnodes);
-		if (atlas->nodes == NULL)
-			return 0;
-	}
-	for (i = atlas->nnodes; i > idx; i--)
-		atlas->nodes[i] = atlas->nodes[i-1];
-	atlas->nodes[idx].x = (short)x;
-	atlas->nodes[idx].y = (short)y;
-	atlas->nodes[idx].width = (short)w;
-	atlas->nnodes++;
-
-	return 1;
-}
-
-static void fons__atlasRemoveNode(FONSatlas* atlas, int idx)
-{
-	int i;
-	if (atlas->nnodes == 0) return;
-	for (i = idx; i < atlas->nnodes-1; i++)
-		atlas->nodes[i] = atlas->nodes[i+1];
-	atlas->nnodes--;
-}
-
-static void fons__atlasExpand(FONSatlas* atlas, int w, int h)
-{
-	// Insert node for empty space
-	if (w > atlas->width)
-		fons__atlasInsertNode(atlas, atlas->nnodes, atlas->width, 0, w - atlas->width);
-	atlas->width = w;
-	atlas->height = h;
-}
-
-static void fons__atlasReset(FONSatlas* atlas, int w, int h)
-{
-	atlas->width = w;
-	atlas->height = h;
-	atlas->nnodes = 0;
-
-	// Init root node.
-	atlas->nodes[0].x = 0;
-	atlas->nodes[0].y = 0;
-	atlas->nodes[0].width = (short)w;
-	atlas->nnodes++;
-}
-
-static int fons__atlasAddSkylineLevel(FONSatlas* atlas, int idx, int x, int y, int w, int h)
-{
-	int i;
-
-	// Insert new node
-	if (fons__atlasInsertNode(atlas, idx, x, y+h, w) == 0)
-		return 0;
-
-	// Delete skyline segments that fall under the shadow of the new segment.
-	for (i = idx+1; i < atlas->nnodes; i++) {
-		if (atlas->nodes[i].x < atlas->nodes[i-1].x + atlas->nodes[i-1].width) {
-			int shrink = atlas->nodes[i-1].x + atlas->nodes[i-1].width - atlas->nodes[i].x;
-			atlas->nodes[i].x += (short)shrink;
-			atlas->nodes[i].width -= (short)shrink;
-			if (atlas->nodes[i].width <= 0) {
-				fons__atlasRemoveNode(atlas, i);
-				i--;
-			} else {
-				break;
-			}
-		} else {
-			break;
-		}
-	}
-
-	// Merge same height skyline segments that are next to each other.
-	for (i = 0; i < atlas->nnodes-1; i++) {
-		if (atlas->nodes[i].y == atlas->nodes[i+1].y) {
-			atlas->nodes[i].width += atlas->nodes[i+1].width;
-			fons__atlasRemoveNode(atlas, i+1);
-			i--;
-		}
-	}
-
-	return 1;
-}
-
-static int fons__atlasRectFits(FONSatlas* atlas, int i, int w, int h)
-{
-	// Checks if there is enough space at the location of skyline span 'i',
-	// and return the max height of all skyline spans under that at that location,
-	// (think tetris block being dropped at that position). Or -1 if no space found.
-	int x = atlas->nodes[i].x;
-	int y = atlas->nodes[i].y;
-	int spaceLeft;
-	if (x + w > atlas->width)
-		return -1;
-	spaceLeft = w;
-	while (spaceLeft > 0) {
-		if (i == atlas->nnodes) return -1;
-		y = fons__maxi(y, atlas->nodes[i].y);
-		if (y + h > atlas->height) return -1;
-		spaceLeft -= atlas->nodes[i].width;
-		++i;
-	}
-	return y;
-}
-
-static int fons__atlasAddRect(FONSatlas* atlas, int rw, int rh, int* rx, int* ry)
-{
-	int besth = atlas->height, bestw = atlas->width, besti = -1;
-	int bestx = -1, besty = -1, i;
-
-	// Bottom left fit heuristic.
-	for (i = 0; i < atlas->nnodes; i++) {
-		int y = fons__atlasRectFits(atlas, i, rw, rh);
-		if (y != -1) {
-			if (y + rh < besth || (y + rh == besth && atlas->nodes[i].width < bestw)) {
-				besti = i;
-				bestw = atlas->nodes[i].width;
-				besth = y + rh;
-				bestx = atlas->nodes[i].x;
-				besty = y;
-			}
-		}
-	}
-
-	if (besti == -1)
-		return 0;
-
-	// Perform the actual packing.
-	if (fons__atlasAddSkylineLevel(atlas, besti, bestx, besty, rw, rh) == 0)
-		return 0;
-
-	*rx = bestx;
-	*ry = besty;
-
-	return 1;
-}
-
-static void fons__addWhiteRect(FONScontext* stash, int w, int h)
-{
-	int x, y, gx, gy;
-	unsigned char* dst;
-	if (fons__atlasAddRect(stash->atlas, w, h, &gx, &gy) == 0)
-		return;
-
-	// Rasterize
-	dst = &stash->texData[gx + gy * stash->params.width];
-	for (y = 0; y < h; y++) {
-		for (x = 0; x < w; x++)
-			dst[x] = 0xff;
-		dst += stash->params.width;
-	}
-
-	stash->dirtyRect[0] = fons__mini(stash->dirtyRect[0], gx);
-	stash->dirtyRect[1] = fons__mini(stash->dirtyRect[1], gy);
-	stash->dirtyRect[2] = fons__maxi(stash->dirtyRect[2], gx+w);
-	stash->dirtyRect[3] = fons__maxi(stash->dirtyRect[3], gy+h);
-}
-
-FONScontext* fonsCreateInternal(FONSparams* params)
-{
-	FONScontext* stash = NULL;
-
-	// Allocate memory for the font stash.
-	stash = (FONScontext*)malloc(sizeof(FONScontext));
-	if (stash == NULL) goto error;
-	memset(stash, 0, sizeof(FONScontext));
-
-	stash->params = *params;
-
-	// Allocate scratch buffer.
-	stash->scratch = (unsigned char*)malloc(FONS_SCRATCH_BUF_SIZE);
-	if (stash->scratch == NULL) goto error;
-
-	// Initialize implementation library
-	if (!fons__tt_init(stash)) goto error;
-
-	if (stash->params.renderCreate != NULL) {
-		if (stash->params.renderCreate(stash->params.userPtr, stash->params.width, stash->params.height) == 0)
-			goto error;
-	}
-
-	stash->atlas = fons__allocAtlas(stash->params.width, stash->params.height, FONS_INIT_ATLAS_NODES);
-	if (stash->atlas == NULL) goto error;
-
-	// Allocate space for fonts.
-	stash->fonts = (FONSfont**)malloc(sizeof(FONSfont*) * FONS_INIT_FONTS);
-	if (stash->fonts == NULL) goto error;
-	memset(stash->fonts, 0, sizeof(FONSfont*) * FONS_INIT_FONTS);
-	stash->cfonts = FONS_INIT_FONTS;
-	stash->nfonts = 0;
-
-	// Create texture for the cache.
-	stash->itw = 1.0f/stash->params.width;
-	stash->ith = 1.0f/stash->params.height;
-	stash->texData = (unsigned char*)malloc(stash->params.width * stash->params.height);
-	if (stash->texData == NULL) goto error;
-	memset(stash->texData, 0, stash->params.width * stash->params.height);
-
-	stash->dirtyRect[0] = stash->params.width;
-	stash->dirtyRect[1] = stash->params.height;
-	stash->dirtyRect[2] = 0;
-	stash->dirtyRect[3] = 0;
-
-	// Add white rect at 0,0 for debug drawing.
-	fons__addWhiteRect(stash, 2,2);
-
-	fonsPushState(stash);
-	fonsClearState(stash);
-
-	return stash;
-
-error:
-	fonsDeleteInternal(stash);
-	return NULL;
-}
-
-static FONSstate* fons__getState(FONScontext* stash)
-{
-	return &stash->states[stash->nstates-1];
-}
-
-int fonsAddFallbackFont(FONScontext* stash, int base, int fallback)
-{
-	FONSfont* baseFont = stash->fonts[base];
-	if (baseFont->nfallbacks < FONS_MAX_FALLBACKS) {
-		baseFont->fallbacks[baseFont->nfallbacks++] = fallback;
-		return 1;
-	}
-	return 0;
-}
-
-void fonsResetFallbackFont(FONScontext* stash, int base)
-{
-	int i;
-
-	FONSfont* baseFont = stash->fonts[base];
-	baseFont->nfallbacks = 0;
-	baseFont->nglyphs = 0;
-	for (i = 0; i < FONS_HASH_LUT_SIZE; i++)
-		baseFont->lut[i] = -1;
-}
-
-void fonsSetSize(FONScontext* stash, float size)
-{
-	fons__getState(stash)->size = size;
-}
-
-void fonsSetColor(FONScontext* stash, unsigned int color)
-{
-	fons__getState(stash)->color = color;
-}
-
-void fonsSetSpacing(FONScontext* stash, float spacing)
-{
-	fons__getState(stash)->spacing = spacing;
-}
-
-void fonsSetBlur(FONScontext* stash, float blur)
-{
-	fons__getState(stash)->blur = blur;
-}
-
-void fonsSetAlign(FONScontext* stash, int align)
-{
-	fons__getState(stash)->align = align;
-}
-
-void fonsSetFont(FONScontext* stash, int font)
-{
-	fons__getState(stash)->font = font;
-}
-
-void fonsPushState(FONScontext* stash)
-{
-	if (stash->nstates >= FONS_MAX_STATES) {
-		if (stash->handleError)
-			stash->handleError(stash->errorUptr, FONS_STATES_OVERFLOW, 0);
-		return;
-	}
-	if (stash->nstates > 0)
-		memcpy(&stash->states[stash->nstates], &stash->states[stash->nstates-1], sizeof(FONSstate));
-	stash->nstates++;
-}
-
-void fonsPopState(FONScontext* stash)
-{
-	if (stash->nstates <= 1) {
-		if (stash->handleError)
-			stash->handleError(stash->errorUptr, FONS_STATES_UNDERFLOW, 0);
-		return;
-	}
-	stash->nstates--;
-}
-
-void fonsClearState(FONScontext* stash)
-{
-	FONSstate* state = fons__getState(stash);
-	state->size = 12.0f;
-	state->color = 0xffffffff;
-	state->font = 0;
-	state->blur = 0;
-	state->spacing = 0;
-	state->align = FONS_ALIGN_LEFT | FONS_ALIGN_BASELINE;
-}
-
-static void fons__freeFont(FONSfont* font)
-{
-	if (font == NULL) return;
-	if (font->glyphs) free(font->glyphs);
-	if (font->freeData && font->data) free(font->data);
-	free(font);
-}
-
-static int fons__allocFont(FONScontext* stash)
-{
-	FONSfont* font = NULL;
-	if (stash->nfonts+1 > stash->cfonts) {
-		stash->cfonts = stash->cfonts == 0 ? 8 : stash->cfonts * 2;
-		stash->fonts = (FONSfont**)realloc(stash->fonts, sizeof(FONSfont*) * stash->cfonts);
-		if (stash->fonts == NULL)
-			return -1;
-	}
-	font = (FONSfont*)malloc(sizeof(FONSfont));
-	if (font == NULL) goto error;
-	memset(font, 0, sizeof(FONSfont));
-
-	font->glyphs = (FONSglyph*)malloc(sizeof(FONSglyph) * FONS_INIT_GLYPHS);
-	if (font->glyphs == NULL) goto error;
-	font->cglyphs = FONS_INIT_GLYPHS;
-	font->nglyphs = 0;
-
-	stash->fonts[stash->nfonts++] = font;
-	return stash->nfonts-1;
-
-error:
-	fons__freeFont(font);
-
-	return FONS_INVALID;
-}
-
-int fonsAddFont(FONScontext* stash, const char* name, const char* path, int fontIndex)
-{
-	FILE* fp = 0;
-	int dataSize = 0;
-	size_t readed;
-	unsigned char* data = NULL;
-
-	// Read in the font data.
-	fp = fopen(path, "rb");
-	if (fp == NULL) goto error;
-	fseek(fp,0,SEEK_END);
-	dataSize = (int)ftell(fp);
-	fseek(fp,0,SEEK_SET);
-	data = (unsigned char*)malloc(dataSize);
-	if (data == NULL) goto error;
-	readed = fread(data, 1, dataSize, fp);
-	fclose(fp);
-	fp = 0;
-	if (readed != (size_t)dataSize) goto error;
-
-	return fonsAddFontMem(stash, name, data, dataSize, 1, fontIndex);
-
-error:
-	if (data) free(data);
-	if (fp) fclose(fp);
-	return FONS_INVALID;
-}
-
-int fonsAddFontMem(FONScontext* stash, const char* name, unsigned char* data, int dataSize, int freeData, int fontIndex)
-{
-	int i, ascent, descent, fh, lineGap;
-	FONSfont* font;
-
-	int idx = fons__allocFont(stash);
-	if (idx == FONS_INVALID)
-		return FONS_INVALID;
-
-	font = stash->fonts[idx];
-
-	strncpy(font->name, name, sizeof(font->name));
-	font->name[sizeof(font->name)-1] = '\0';
-
-	// Init hash lookup.
-	for (i = 0; i < FONS_HASH_LUT_SIZE; ++i)
-		font->lut[i] = -1;
-
-	// Read in the font data.
-	font->dataSize = dataSize;
-	font->data = data;
-	font->freeData = (unsigned char)freeData;
-
-	// Init font
-	stash->nscratch = 0;
-	if (!fons__tt_loadFont(stash, &font->font, data, dataSize, fontIndex)) goto error;
-
-	// Store normalized line height. The real line height is got
-	// by multiplying the lineh by font size.
-	fons__tt_getFontVMetrics( &font->font, &ascent, &descent, &lineGap);
-	ascent += lineGap;
-	fh = ascent - descent;
-	font->ascender = (float)ascent / (float)fh;
-	font->descender = (float)descent / (float)fh;
-	font->lineh = font->ascender - font->descender;
-
-	return idx;
-
-error:
-	fons__freeFont(font);
-	stash->nfonts--;
-	return FONS_INVALID;
-}
-
-int fonsGetFontByName(FONScontext* s, const char* name)
-{
-	int i;
-	for (i = 0; i < s->nfonts; i++) {
-		if (strcmp(s->fonts[i]->name, name) == 0)
-			return i;
-	}
-	return FONS_INVALID;
-}
-
-
-static FONSglyph* fons__allocGlyph(FONSfont* font)
-{
-	if (font->nglyphs+1 > font->cglyphs) {
-		font->cglyphs = font->cglyphs == 0 ? 8 : font->cglyphs * 2;
-		font->glyphs = (FONSglyph*)realloc(font->glyphs, sizeof(FONSglyph) * font->cglyphs);
-		if (font->glyphs == NULL) return NULL;
-	}
-	font->nglyphs++;
-	return &font->glyphs[font->nglyphs-1];
-}
-
-
-// Based on Exponential blur, Jani Huhtanen, 2006
-
-#define APREC 16
-#define ZPREC 7
-
-static void fons__blurCols(unsigned char* dst, int w, int h, int dstStride, int alpha)
-{
-	int x, y;
-	for (y = 0; y < h; y++) {
-		int z = 0; // force zero border
-		for (x = 1; x < w; x++) {
-			z += (alpha * (((int)(dst[x]) << ZPREC) - z)) >> APREC;
-			dst[x] = (unsigned char)(z >> ZPREC);
-		}
-		dst[w-1] = 0; // force zero border
-		z = 0;
-		for (x = w-2; x >= 0; x--) {
-			z += (alpha * (((int)(dst[x]) << ZPREC) - z)) >> APREC;
-			dst[x] = (unsigned char)(z >> ZPREC);
-		}
-		dst[0] = 0; // force zero border
-		dst += dstStride;
-	}
-}
-
-static void fons__blurRows(unsigned char* dst, int w, int h, int dstStride, int alpha)
-{
-	int x, y;
-	for (x = 0; x < w; x++) {
-		int z = 0; // force zero border
-		for (y = dstStride; y < h*dstStride; y += dstStride) {
-			z += (alpha * (((int)(dst[y]) << ZPREC) - z)) >> APREC;
-			dst[y] = (unsigned char)(z >> ZPREC);
-		}
-		dst[(h-1)*dstStride] = 0; // force zero border
-		z = 0;
-		for (y = (h-2)*dstStride; y >= 0; y -= dstStride) {
-			z += (alpha * (((int)(dst[y]) << ZPREC) - z)) >> APREC;
-			dst[y] = (unsigned char)(z >> ZPREC);
-		}
-		dst[0] = 0; // force zero border
-		dst++;
-	}
-}
-
-
-static void fons__blur(FONScontext* stash, unsigned char* dst, int w, int h, int dstStride, int blur)
-{
-	int alpha;
-	float sigma;
-	(void)stash;
-
-	if (blur < 1)
-		return;
-	// Calculate the alpha such that 90% of the kernel is within the radius. (Kernel extends to infinity)
-	sigma = (float)blur * 0.57735f; // 1 / sqrt(3)
-	alpha = (int)((1<<APREC) * (1.0f - expf(-2.3f / (sigma+1.0f))));
-	fons__blurRows(dst, w, h, dstStride, alpha);
-	fons__blurCols(dst, w, h, dstStride, alpha);
-	fons__blurRows(dst, w, h, dstStride, alpha);
-	fons__blurCols(dst, w, h, dstStride, alpha);
-//	fons__blurrows(dst, w, h, dstStride, alpha);
-//	fons__blurcols(dst, w, h, dstStride, alpha);
-}
-
-static FONSglyph* fons__getGlyph(FONScontext* stash, FONSfont* font, unsigned int codepoint,
-								 short isize, short iblur, int bitmapOption)
-{
-	int i, g, advance, lsb, x0, y0, x1, y1, gw, gh, gx, gy, x, y;
-	float scale;
-	FONSglyph* glyph = NULL;
-	unsigned int h;
-	float size = isize/10.0f;
-	int pad, added;
-	unsigned char* bdst;
-	unsigned char* dst;
-	FONSfont* renderFont = font;
-
-	if (isize < 2) return NULL;
-	if (iblur > 20) iblur = 20;
-	pad = iblur+2;
-
-	// Reset allocator.
-	stash->nscratch = 0;
-
-	// Find code point and size.
-	h = fons__hashint(codepoint) & (FONS_HASH_LUT_SIZE-1);
-	i = font->lut[h];
-	while (i != -1) {
-		if (font->glyphs[i].codepoint == codepoint && font->glyphs[i].size == isize && font->glyphs[i].blur == iblur) {
-			glyph = &font->glyphs[i];
-			if (bitmapOption == FONS_GLYPH_BITMAP_OPTIONAL || (glyph->x0 >= 0 && glyph->y0 >= 0)) {
-			  return glyph;
-			}
-			// At this point, glyph exists but the bitmap data is not yet created.
-			break;
-		}
-		i = font->glyphs[i].next;
-	}
-
-	// Create a new glyph or rasterize bitmap data for a cached glyph.
-	g = fons__tt_getGlyphIndex(&font->font, codepoint);
-	// Try to find the glyph in fallback fonts.
-	if (g == 0) {
-		for (i = 0; i < font->nfallbacks; ++i) {
-			FONSfont* fallbackFont = stash->fonts[font->fallbacks[i]];
-			int fallbackIndex = fons__tt_getGlyphIndex(&fallbackFont->font, codepoint);
-			if (fallbackIndex != 0) {
-				g = fallbackIndex;
-				renderFont = fallbackFont;
-				break;
-			}
-		}
-		// It is possible that we did not find a fallback glyph.
-		// In that case the glyph index 'g' is 0, and we'll proceed below and cache empty glyph.
-	}
-	scale = fons__tt_getPixelHeightScale(&renderFont->font, size);
-	fons__tt_buildGlyphBitmap(&renderFont->font, g, size, scale, &advance, &lsb, &x0, &y0, &x1, &y1);
-	gw = x1-x0 + pad*2;
-	gh = y1-y0 + pad*2;
-
-	// Determines the spot to draw glyph in the atlas.
-	if (bitmapOption == FONS_GLYPH_BITMAP_REQUIRED) {
-		// Find free spot for the rect in the atlas
-		added = fons__atlasAddRect(stash->atlas, gw, gh, &gx, &gy);
-		if (added == 0 && stash->handleError != NULL) {
-			// Atlas is full, let the user to resize the atlas (or not), and try again.
-			stash->handleError(stash->errorUptr, FONS_ATLAS_FULL, 0);
-			added = fons__atlasAddRect(stash->atlas, gw, gh, &gx, &gy);
-		}
-		if (added == 0) return NULL;
-	} else {
-		// Negative coordinate indicates there is no bitmap data created.
-		gx = -1;
-		gy = -1;
-	}
-
-	// Init glyph.
-	if (glyph == NULL) {
-		glyph = fons__allocGlyph(font);
-		glyph->codepoint = codepoint;
-		glyph->size = isize;
-		glyph->blur = iblur;
-		glyph->next = 0;
-
-		// Insert char to hash lookup.
-		glyph->next = font->lut[h];
-		font->lut[h] = font->nglyphs-1;
-	}
-	glyph->index = g;
-	glyph->x0 = (short)gx;
-	glyph->y0 = (short)gy;
-	glyph->x1 = (short)(glyph->x0+gw);
-	glyph->y1 = (short)(glyph->y0+gh);
-	glyph->xadv = (short)(scale * advance * 10.0f);
-	glyph->xoff = (short)(x0 - pad);
-	glyph->yoff = (short)(y0 - pad);
-
-	if (bitmapOption == FONS_GLYPH_BITMAP_OPTIONAL) {
-		return glyph;
-	}
-
-	// Rasterize
-	dst = &stash->texData[(glyph->x0+pad) + (glyph->y0+pad) * stash->params.width];
-	fons__tt_renderGlyphBitmap(&renderFont->font, dst, gw-pad*2,gh-pad*2, stash->params.width, scale, scale, g);
-
-	// Make sure there is one pixel empty border.
-	dst = &stash->texData[glyph->x0 + glyph->y0 * stash->params.width];
-	for (y = 0; y < gh; y++) {
-		dst[y*stash->params.width] = 0;
-		dst[gw-1 + y*stash->params.width] = 0;
-	}
-	for (x = 0; x < gw; x++) {
-		dst[x] = 0;
-		dst[x + (gh-1)*stash->params.width] = 0;
-	}
-
-	// Debug code to color the glyph background
-/*	unsigned char* fdst = &stash->texData[glyph->x0 + glyph->y0 * stash->params.width];
-	for (y = 0; y < gh; y++) {
-		for (x = 0; x < gw; x++) {
-			int a = (int)fdst[x+y*stash->params.width] + 20;
-			if (a > 255) a = 255;
-			fdst[x+y*stash->params.width] = a;
-		}
-	}*/
-
-	// Blur
-	if (iblur > 0) {
-		stash->nscratch = 0;
-		bdst = &stash->texData[glyph->x0 + glyph->y0 * stash->params.width];
-		fons__blur(stash, bdst, gw, gh, stash->params.width, iblur);
-	}
-
-	stash->dirtyRect[0] = fons__mini(stash->dirtyRect[0], glyph->x0);
-	stash->dirtyRect[1] = fons__mini(stash->dirtyRect[1], glyph->y0);
-	stash->dirtyRect[2] = fons__maxi(stash->dirtyRect[2], glyph->x1);
-	stash->dirtyRect[3] = fons__maxi(stash->dirtyRect[3], glyph->y1);
-
-	return glyph;
-}
-
-static void fons__getQuad(FONScontext* stash, FONSfont* font,
-						   int prevGlyphIndex, FONSglyph* glyph,
-						   float scale, float spacing, float* x, float* y, FONSquad* q)
-{
-	float rx,ry,xoff,yoff,x0,y0,x1,y1;
-
-	if (prevGlyphIndex != -1) {
-		float adv = fons__tt_getGlyphKernAdvance(&font->font, prevGlyphIndex, glyph->index) * scale;
-		*x += (int)(adv + spacing + 0.5f);
-	}
-
-	// Each glyph has 2px border to allow good interpolation,
-	// one pixel to prevent leaking, and one to allow good interpolation for rendering.
-	// Inset the texture region by one pixel for correct interpolation.
-	xoff = (short)(glyph->xoff+1);
-	yoff = (short)(glyph->yoff+1);
-	x0 = (float)(glyph->x0+1);
-	y0 = (float)(glyph->y0+1);
-	x1 = (float)(glyph->x1-1);
-	y1 = (float)(glyph->y1-1);
-
-	if (stash->params.flags & FONS_ZERO_TOPLEFT) {
-		rx = floorf(*x + xoff);
-		ry = floorf(*y + yoff);
-
-		q->x0 = rx;
-		q->y0 = ry;
-		q->x1 = rx + x1 - x0;
-		q->y1 = ry + y1 - y0;
-
-		q->s0 = x0 * stash->itw;
-		q->t0 = y0 * stash->ith;
-		q->s1 = x1 * stash->itw;
-		q->t1 = y1 * stash->ith;
-	} else {
-		rx = floorf(*x + xoff);
-		ry = floorf(*y - yoff);
-
-		q->x0 = rx;
-		q->y0 = ry;
-		q->x1 = rx + x1 - x0;
-		q->y1 = ry - y1 + y0;
-
-		q->s0 = x0 * stash->itw;
-		q->t0 = y0 * stash->ith;
-		q->s1 = x1 * stash->itw;
-		q->t1 = y1 * stash->ith;
-	}
-
-	*x += (int)(glyph->xadv / 10.0f + 0.5f);
-}
-
-static void fons__flush(FONScontext* stash)
-{
-	// Flush texture
-	if (stash->dirtyRect[0] < stash->dirtyRect[2] && stash->dirtyRect[1] < stash->dirtyRect[3]) {
-		if (stash->params.renderUpdate != NULL)
-			stash->params.renderUpdate(stash->params.userPtr, stash->dirtyRect, stash->texData);
-		// Reset dirty rect
-		stash->dirtyRect[0] = stash->params.width;
-		stash->dirtyRect[1] = stash->params.height;
-		stash->dirtyRect[2] = 0;
-		stash->dirtyRect[3] = 0;
-	}
-
-	// Flush triangles
-	if (stash->nverts > 0) {
-		if (stash->params.renderDraw != NULL)
-			stash->params.renderDraw(stash->params.userPtr, stash->verts, stash->tcoords, stash->colors, stash->nverts);
-		stash->nverts = 0;
-	}
-}
-
-static __inline void fons__vertex(FONScontext* stash, float x, float y, float s, float t, unsigned int c)
-{
-	stash->verts[stash->nverts*2+0] = x;
-	stash->verts[stash->nverts*2+1] = y;
-	stash->tcoords[stash->nverts*2+0] = s;
-	stash->tcoords[stash->nverts*2+1] = t;
-	stash->colors[stash->nverts] = c;
-	stash->nverts++;
-}
-
-static float fons__getVertAlign(FONScontext* stash, FONSfont* font, int align, short isize)
-{
-	if (stash->params.flags & FONS_ZERO_TOPLEFT) {
-		if (align & FONS_ALIGN_TOP) {
-			return font->ascender * (float)isize/10.0f;
-		} else if (align & FONS_ALIGN_MIDDLE) {
-			return (font->ascender + font->descender) / 2.0f * (float)isize/10.0f;
-		} else if (align & FONS_ALIGN_BASELINE) {
-			return 0.0f;
-		} else if (align & FONS_ALIGN_BOTTOM) {
-			return font->descender * (float)isize/10.0f;
-		}
-	} else {
-		if (align & FONS_ALIGN_TOP) {
-			return -font->ascender * (float)isize/10.0f;
-		} else if (align & FONS_ALIGN_MIDDLE) {
-			return -(font->ascender + font->descender) / 2.0f * (float)isize/10.0f;
-		} else if (align & FONS_ALIGN_BASELINE) {
-			return 0.0f;
-		} else if (align & FONS_ALIGN_BOTTOM) {
-			return -font->descender * (float)isize/10.0f;
-		}
-	}
-	return 0.0;
-}
-
-float fonsDrawText(FONScontext* stash,
-				   float x, float y,
-				   const char* str, const char* end)
-{
-	FONSstate* state = fons__getState(stash);
-	unsigned int codepoint;
-	unsigned int utf8state = 0;
-	FONSglyph* glyph = NULL;
-	FONSquad q;
-	int prevGlyphIndex = -1;
-	short isize = (short)(state->size*10.0f);
-	short iblur = (short)state->blur;
-	float scale;
-	FONSfont* font;
-	float width;
-
-	if (stash == NULL) return x;
-	if (state->font < 0 || state->font >= stash->nfonts) return x;
-	font = stash->fonts[state->font];
-	if (font->data == NULL) return x;
-
-	scale = fons__tt_getPixelHeightScale(&font->font, (float)isize/10.0f);
-
-	if (end == NULL)
-		end = str + strlen(str);
-
-	// Align horizontally
-	if (state->align & FONS_ALIGN_LEFT) {
-		// empty
-	} else if (state->align & FONS_ALIGN_RIGHT) {
-		width = fonsTextBounds(stash, x,y, str, end, NULL);
-		x -= width;
-	} else if (state->align & FONS_ALIGN_CENTER) {
-		width = fonsTextBounds(stash, x,y, str, end, NULL);
-		x -= width * 0.5f;
-	}
-	// Align vertically.
-	y += fons__getVertAlign(stash, font, state->align, isize);
-
-	for (; str != end; ++str) {
-		if (fons__decutf8(&utf8state, &codepoint, *(const unsigned char*)str))
-			continue;
-		glyph = fons__getGlyph(stash, font, codepoint, isize, iblur, FONS_GLYPH_BITMAP_REQUIRED);
-		if (glyph != NULL) {
-			fons__getQuad(stash, font, prevGlyphIndex, glyph, scale, state->spacing, &x, &y, &q);
-
-			if (stash->nverts+6 > FONS_VERTEX_COUNT)
-				fons__flush(stash);
-
-			fons__vertex(stash, q.x0, q.y0, q.s0, q.t0, state->color);
-			fons__vertex(stash, q.x1, q.y1, q.s1, q.t1, state->color);
-			fons__vertex(stash, q.x1, q.y0, q.s1, q.t0, state->color);
-
-			fons__vertex(stash, q.x0, q.y0, q.s0, q.t0, state->color);
-			fons__vertex(stash, q.x0, q.y1, q.s0, q.t1, state->color);
-			fons__vertex(stash, q.x1, q.y1, q.s1, q.t1, state->color);
-		}
-		prevGlyphIndex = glyph != NULL ? glyph->index : -1;
-	}
-	fons__flush(stash);
-
-	return x;
-}
-
-int fonsTextIterInit(FONScontext* stash, FONStextIter* iter,
-					 float x, float y, const char* str, const char* end, int bitmapOption)
-{
-	FONSstate* state = fons__getState(stash);
-	float width;
-
-	memset(iter, 0, sizeof(*iter));
-
-	if (stash == NULL) return 0;
-	if (state->font < 0 || state->font >= stash->nfonts) return 0;
-	iter->font = stash->fonts[state->font];
-	if (iter->font->data == NULL) return 0;
-
-	iter->isize = (short)(state->size*10.0f);
-	iter->iblur = (short)state->blur;
-	iter->scale = fons__tt_getPixelHeightScale(&iter->font->font, (float)iter->isize/10.0f);
-
-	// Align horizontally
-	if (state->align & FONS_ALIGN_LEFT) {
-		// empty
-	} else if (state->align & FONS_ALIGN_RIGHT) {
-		width = fonsTextBounds(stash, x,y, str, end, NULL);
-		x -= width;
-	} else if (state->align & FONS_ALIGN_CENTER) {
-		width = fonsTextBounds(stash, x,y, str, end, NULL);
-		x -= width * 0.5f;
-	}
-	// Align vertically.
-	y += fons__getVertAlign(stash, iter->font, state->align, iter->isize);
-
-	if (end == NULL)
-		end = str + strlen(str);
-
-	iter->x = iter->nextx = x;
-	iter->y = iter->nexty = y;
-	iter->spacing = state->spacing;
-	iter->str = str;
-	iter->next = str;
-	iter->end = end;
-	iter->codepoint = 0;
-	iter->prevGlyphIndex = -1;
-	iter->bitmapOption = bitmapOption;
-
-	return 1;
-}
-
-int fonsTextIterNext(FONScontext* stash, FONStextIter* iter, FONSquad* quad)
-{
-	FONSglyph* glyph = NULL;
-	const char* str = iter->next;
-	iter->str = iter->next;
-
-	if (str == iter->end)
-		return 0;
-
-	for (; str != iter->end; str++) {
-		if (fons__decutf8(&iter->utf8state, &iter->codepoint, *(const unsigned char*)str))
-			continue;
-		str++;
-		// Get glyph and quad
-		iter->x = iter->nextx;
-		iter->y = iter->nexty;
-		glyph = fons__getGlyph(stash, iter->font, iter->codepoint, iter->isize, iter->iblur, iter->bitmapOption);
-		// If the iterator was initialized with FONS_GLYPH_BITMAP_OPTIONAL, then the UV coordinates of the quad will be invalid.
-		if (glyph != NULL)
-			fons__getQuad(stash, iter->font, iter->prevGlyphIndex, glyph, iter->scale, iter->spacing, &iter->nextx, &iter->nexty, quad);
-		iter->prevGlyphIndex = glyph != NULL ? glyph->index : -1;
-		break;
-	}
-	iter->next = str;
-
-	return 1;
-}
-
-void fonsDrawDebug(FONScontext* stash, float x, float y)
-{
-	int i;
-	int w = stash->params.width;
-	int h = stash->params.height;
-	float u = w == 0 ? 0 : (1.0f / w);
-	float v = h == 0 ? 0 : (1.0f / h);
-
-	if (stash->nverts+6+6 > FONS_VERTEX_COUNT)
-		fons__flush(stash);
-
-	// Draw background
-	fons__vertex(stash, x+0, y+0, u, v, 0x0fffffff);
-	fons__vertex(stash, x+w, y+h, u, v, 0x0fffffff);
-	fons__vertex(stash, x+w, y+0, u, v, 0x0fffffff);
-
-	fons__vertex(stash, x+0, y+0, u, v, 0x0fffffff);
-	fons__vertex(stash, x+0, y+h, u, v, 0x0fffffff);
-	fons__vertex(stash, x+w, y+h, u, v, 0x0fffffff);
-
-	// Draw texture
-	fons__vertex(stash, x+0, y+0, 0, 0, 0xffffffff);
-	fons__vertex(stash, x+w, y+h, 1, 1, 0xffffffff);
-	fons__vertex(stash, x+w, y+0, 1, 0, 0xffffffff);
-
-	fons__vertex(stash, x+0, y+0, 0, 0, 0xffffffff);
-	fons__vertex(stash, x+0, y+h, 0, 1, 0xffffffff);
-	fons__vertex(stash, x+w, y+h, 1, 1, 0xffffffff);
-
-	// Drawbug draw atlas
-	for (i = 0; i < stash->atlas->nnodes; i++) {
-		FONSatlasNode* n = &stash->atlas->nodes[i];
-
-		if (stash->nverts+6 > FONS_VERTEX_COUNT)
-			fons__flush(stash);
-
-		fons__vertex(stash, x+n->x+0, y+n->y+0, u, v, 0xc00000ff);
-		fons__vertex(stash, x+n->x+n->width, y+n->y+1, u, v, 0xc00000ff);
-		fons__vertex(stash, x+n->x+n->width, y+n->y+0, u, v, 0xc00000ff);
-
-		fons__vertex(stash, x+n->x+0, y+n->y+0, u, v, 0xc00000ff);
-		fons__vertex(stash, x+n->x+0, y+n->y+1, u, v, 0xc00000ff);
-		fons__vertex(stash, x+n->x+n->width, y+n->y+1, u, v, 0xc00000ff);
-	}
-
-	fons__flush(stash);
-}
-
-float fonsTextBounds(FONScontext* stash,
-					 float x, float y,
-					 const char* str, const char* end,
-					 float* bounds)
-{
-	FONSstate* state = fons__getState(stash);
-	unsigned int codepoint;
-	unsigned int utf8state = 0;
-	FONSquad q;
-	FONSglyph* glyph = NULL;
-	int prevGlyphIndex = -1;
-	short isize = (short)(state->size*10.0f);
-	short iblur = (short)state->blur;
-	float scale;
-	FONSfont* font;
-	float startx, advance;
-	float minx, miny, maxx, maxy;
-
-	if (stash == NULL) return 0;
-	if (state->font < 0 || state->font >= stash->nfonts) return 0;
-	font = stash->fonts[state->font];
-	if (font->data == NULL) return 0;
-
-	scale = fons__tt_getPixelHeightScale(&font->font, (float)isize/10.0f);
-
-	// Align vertically.
-	y += fons__getVertAlign(stash, font, state->align, isize);
-
-	minx = maxx = x;
-	miny = maxy = y;
-	startx = x;
-
-	if (end == NULL)
-		end = str + strlen(str);
-
-	for (; str != end; ++str) {
-		if (fons__decutf8(&utf8state, &codepoint, *(const unsigned char*)str))
-			continue;
-		glyph = fons__getGlyph(stash, font, codepoint, isize, iblur, FONS_GLYPH_BITMAP_OPTIONAL);
-		if (glyph != NULL) {
-			fons__getQuad(stash, font, prevGlyphIndex, glyph, scale, state->spacing, &x, &y, &q);
-			if (q.x0 < minx) minx = q.x0;
-			if (q.x1 > maxx) maxx = q.x1;
-			if (stash->params.flags & FONS_ZERO_TOPLEFT) {
-				if (q.y0 < miny) miny = q.y0;
-				if (q.y1 > maxy) maxy = q.y1;
-			} else {
-				if (q.y1 < miny) miny = q.y1;
-				if (q.y0 > maxy) maxy = q.y0;
-			}
-		}
-		prevGlyphIndex = glyph != NULL ? glyph->index : -1;
-	}
-
-	advance = x - startx;
-
-	// Align horizontally
-	if (state->align & FONS_ALIGN_LEFT) {
-		// empty
-	} else if (state->align & FONS_ALIGN_RIGHT) {
-		minx -= advance;
-		maxx -= advance;
-	} else if (state->align & FONS_ALIGN_CENTER) {
-		minx -= advance * 0.5f;
-		maxx -= advance * 0.5f;
-	}
-
-	if (bounds) {
-		bounds[0] = minx;
-		bounds[1] = miny;
-		bounds[2] = maxx;
-		bounds[3] = maxy;
-	}
-
-	return advance;
-}
-
-void fonsVertMetrics(FONScontext* stash,
-					 float* ascender, float* descender, float* lineh)
-{
-	FONSfont* font;
-	FONSstate* state = fons__getState(stash);
-	short isize;
-
-	if (stash == NULL) return;
-	if (state->font < 0 || state->font >= stash->nfonts) return;
-	font = stash->fonts[state->font];
-	isize = (short)(state->size*10.0f);
-	if (font->data == NULL) return;
-
-	if (ascender)
-		*ascender = font->ascender*isize/10.0f;
-	if (descender)
-		*descender = font->descender*isize/10.0f;
-	if (lineh)
-		*lineh = font->lineh*isize/10.0f;
-}
-
-void fonsLineBounds(FONScontext* stash, float y, float* miny, float* maxy)
-{
-	FONSfont* font;
-	FONSstate* state = fons__getState(stash);
-	short isize;
-
-	if (stash == NULL) return;
-	if (state->font < 0 || state->font >= stash->nfonts) return;
-	font = stash->fonts[state->font];
-	isize = (short)(state->size*10.0f);
-	if (font->data == NULL) return;
-
-	y += fons__getVertAlign(stash, font, state->align, isize);
-
-	if (stash->params.flags & FONS_ZERO_TOPLEFT) {
-		*miny = y - font->ascender * (float)isize/10.0f;
-		*maxy = *miny + font->lineh*isize/10.0f;
-	} else {
-		*maxy = y + font->descender * (float)isize/10.0f;
-		*miny = *maxy - font->lineh*isize/10.0f;
-	}
-}
-
-const unsigned char* fonsGetTextureData(FONScontext* stash, int* width, int* height)
-{
-	if (width != NULL)
-		*width = stash->params.width;
-	if (height != NULL)
-		*height = stash->params.height;
-	return stash->texData;
-}
-
-int fonsValidateTexture(FONScontext* stash, int* dirty)
-{
-	if (stash->dirtyRect[0] < stash->dirtyRect[2] && stash->dirtyRect[1] < stash->dirtyRect[3]) {
-		dirty[0] = stash->dirtyRect[0];
-		dirty[1] = stash->dirtyRect[1];
-		dirty[2] = stash->dirtyRect[2];
-		dirty[3] = stash->dirtyRect[3];
-		// Reset dirty rect
-		stash->dirtyRect[0] = stash->params.width;
-		stash->dirtyRect[1] = stash->params.height;
-		stash->dirtyRect[2] = 0;
-		stash->dirtyRect[3] = 0;
-		return 1;
-	}
-	return 0;
-}
-
-void fonsDeleteInternal(FONScontext* stash)
-{
-	int i;
-	if (stash == NULL) return;
-
-	if (stash->params.renderDelete)
-		stash->params.renderDelete(stash->params.userPtr);
-
-	for (i = 0; i < stash->nfonts; ++i)
-		fons__freeFont(stash->fonts[i]);
-
-	if (stash->atlas) fons__deleteAtlas(stash->atlas);
-	if (stash->fonts) free(stash->fonts);
-	if (stash->texData) free(stash->texData);
-	if (stash->scratch) free(stash->scratch);
-	fons__tt_done(stash);
-	free(stash);
-}
-
-void fonsSetErrorCallback(FONScontext* stash, void (*callback)(void* uptr, int error, int val), void* uptr)
-{
-	if (stash == NULL) return;
-	stash->handleError = callback;
-	stash->errorUptr = uptr;
-}
-
-void fonsGetAtlasSize(FONScontext* stash, int* width, int* height)
-{
-	if (stash == NULL) return;
-	*width = stash->params.width;
-	*height = stash->params.height;
-}
-
-int fonsExpandAtlas(FONScontext* stash, int width, int height)
-{
-	int i, maxy = 0;
-	unsigned char* data = NULL;
-	if (stash == NULL) return 0;
-
-	width = fons__maxi(width, stash->params.width);
-	height = fons__maxi(height, stash->params.height);
-
-	if (width == stash->params.width && height == stash->params.height)
-		return 1;
-
-	// Flush pending glyphs.
-	fons__flush(stash);
-
-	// Create new texture
-	if (stash->params.renderResize != NULL) {
-		if (stash->params.renderResize(stash->params.userPtr, width, height) == 0)
-			return 0;
-	}
-	// Copy old texture data over.
-	data = (unsigned char*)malloc(width * height);
-	if (data == NULL)
-		return 0;
-	for (i = 0; i < stash->params.height; i++) {
-		unsigned char* dst = &data[i*width];
-		unsigned char* src = &stash->texData[i*stash->params.width];
-		memcpy(dst, src, stash->params.width);
-		if (width > stash->params.width)
-			memset(dst+stash->params.width, 0, width - stash->params.width);
-	}
-	if (height > stash->params.height)
-		memset(&data[stash->params.height * width], 0, (height - stash->params.height) * width);
-
-	free(stash->texData);
-	stash->texData = data;
-
-	// Increase atlas size
-	fons__atlasExpand(stash->atlas, width, height);
-
-	// Add existing data as dirty.
-	for (i = 0; i < stash->atlas->nnodes; i++)
-		maxy = fons__maxi(maxy, stash->atlas->nodes[i].y);
-	stash->dirtyRect[0] = 0;
-	stash->dirtyRect[1] = 0;
-	stash->dirtyRect[2] = stash->params.width;
-	stash->dirtyRect[3] = maxy;
-
-	stash->params.width = width;
-	stash->params.height = height;
-	stash->itw = 1.0f/stash->params.width;
-	stash->ith = 1.0f/stash->params.height;
-
-	return 1;
-}
-
-int fonsResetAtlas(FONScontext* stash, int width, int height)
-{
-	int i, j;
-	if (stash == NULL) return 0;
-
-	// Flush pending glyphs.
-	fons__flush(stash);
-
-	// Create new texture
-	if (stash->params.renderResize != NULL) {
-		if (stash->params.renderResize(stash->params.userPtr, width, height) == 0)
-			return 0;
-	}
-
-	// Reset atlas
-	fons__atlasReset(stash->atlas, width, height);
-
-	// Clear texture data.
-	stash->texData = (unsigned char*)realloc(stash->texData, width * height);
-	if (stash->texData == NULL) return 0;
-	memset(stash->texData, 0, width * height);
-
-	// Reset dirty rect
-	stash->dirtyRect[0] = width;
-	stash->dirtyRect[1] = height;
-	stash->dirtyRect[2] = 0;
-	stash->dirtyRect[3] = 0;
-
-	// Reset cached glyphs
-	for (i = 0; i < stash->nfonts; i++) {
-		FONSfont* font = stash->fonts[i];
-		font->nglyphs = 0;
-		for (j = 0; j < FONS_HASH_LUT_SIZE; j++)
-			font->lut[j] = -1;
-	}
-
-	stash->params.width = width;
-	stash->params.height = height;
-	stash->itw = 1.0f/stash->params.width;
-	stash->ith = 1.0f/stash->params.height;
-
-	// Add white rect at 0,0 for debug drawing.
-	fons__addWhiteRect(stash, 2,2);
-
-	return 1;
-}
-
-#endif // FONTSTASH_IMPLEMENTATION