Minor text rendering code tweaks.
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786df47e09
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@ -43,7 +43,6 @@ typedef struct Tuple Tuple;
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typedef struct Credit Credit;
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typedef struct AtlasImage AtlasImage;
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typedef struct Font Font;
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typedef struct Glyph Glyph;
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typedef struct {
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int debug;
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@ -78,9 +78,7 @@ static void initFont(char *name, char *filename, char *characters)
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i = 0;
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n = nextGlyph(characters, &i, glyphBuffer);
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while (n)
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while ((n = nextGlyph(characters, &i, glyphBuffer)) != 0)
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{
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largest = MAX(largest, n);
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@ -108,8 +106,6 @@ static void initFont(char *name, char *filename, char *characters)
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SDL_FreeSurface(text);
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dest.x += dest.w;
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n = nextGlyph(characters, &i, glyphBuffer);
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}
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TTF_CloseFont(font);
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@ -242,9 +238,7 @@ static void drawWord(char *word, int *x, int *y, int startX)
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i = 0;
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n = nextGlyph(word, &i, NULL);
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while (n)
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while ((n = nextGlyph(word, &i, NULL)) != 0)
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{
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dest.x = *x;
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dest.y = *y;
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@ -254,8 +248,6 @@ static void drawWord(char *word, int *x, int *y, int startX)
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SDL_RenderCopy(app.renderer, activeFont->texture, &activeFont->glyphs[n], &dest);
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*x += activeFont->glyphs[n].w * scale;
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n = nextGlyph(word, &i, NULL);
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}
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}
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@ -285,14 +277,10 @@ void calcTextDimensions(const char *text, int size, int *w, int *h)
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i = 0;
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n = nextGlyph(text, &i, NULL);
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while (n)
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while ((n = nextGlyph(text, &i, NULL)) != 0)
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{
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*w += activeFont->glyphs[n].w * scale;
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*h = MAX(activeFont->glyphs[n].h * scale, *h);
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n = nextGlyph(text, &i, NULL);
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}
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}
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@ -337,8 +325,9 @@ int getWrappedTextHeight(char *text, int size)
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static int nextGlyph(const char *str, int *i, char *glyphBuffer)
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{
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int n, len;
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int len;
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unsigned bit;
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const char *p;
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bit = (unsigned char) str[*i];
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@ -377,11 +366,16 @@ static int nextGlyph(const char *str, int *i, char *glyphBuffer)
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/* only fill the buffer if it's been supplied */
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if (glyphBuffer != NULL)
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{
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p = str + *i;
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memset(glyphBuffer, 0, MAX_GLYPH_SIZE);
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for (n = 0 ; n < len ; n++)
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memcpy(glyphBuffer, p, len);
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if (bit >= MAX_GLYPHS)
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{
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glyphBuffer[n] = str[*i + n];
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printf("Glyph '%s' index exceeds array size (%d >= %d)\n", glyphBuffer, bit, MAX_GLYPHS);
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exit(1);
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}
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}
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