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Fixing vertical center alignment issue when word-wrap is turned on

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This commit is contained in:
Joel Bodenmann 2015-11-14 19:42:58 +01:00
parent 849369ccec
commit 14b5184d60
1 changed files with 23 additions and 4 deletions
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27
src/gdisp/gdisp.c
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@ -3169,6 +3169,12 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
/* Callback to render string boxes with word wrap. */
#if GDISP_NEED_TEXT_WORDWRAP
static bool mf_countline_callback(mf_str line, uint16_t count, void *state) {
int *linecount = (int*)state;
(*linecount)++;
return TRUE;
}
static bool mf_drawline_callback(mf_str line, uint16_t count, void *state) {
wrapParameters_t* wrapParameters = (wrapParameters_t*)state;
@ -3176,7 +3182,7 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
wrapParameters->y += wrapParameters->font->line_height;
return TRUE;
}
}
static bool mf_fillline_callback(mf_str line, uint16_t count, void *state) {
wrapParameters_t* wrapParameters = (wrapParameters_t*)state;
@ -3258,6 +3264,7 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
void gdispGDrawStringBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, const char* str, font_t font, color_t color, justify_t justify) {
#if GDISP_NEED_TEXT_WORDWRAP
wrapParameters_t wrapParameters;
uint16_t nbrLines;
#endif
MUTEX_ENTER(g);
@ -3281,7 +3288,6 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
x += font->baseline_x;
break;
}
y += (cy+1 - font->height)/2;
/* Render */
#if GDISP_NEED_TEXT_WORDWRAP
@ -3291,8 +3297,14 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
wrapParameters.justify = justify;
wrapParameters.g = g;
mf_wordwrap(font, cx, str, mf_drawline_callback, &wrapParameters);
// Count the number of lines
nbrLines = 0;
mf_wordwrap(font, cx, str, mf_countline_callback, &nbrLines);
wrapParameters.y += (cy+1 - nbrLines*font->height)/2;
mf_wordwrap(font, cx, str, mf_fillline_callback, &wrapParameters);
#else
y += (cy+1 - font->height)/2;
mf_render_aligned(font, x, y, justify, str, 0, drawcharglyph, g);
#endif
@ -3303,6 +3315,7 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
void gdispGFillStringBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, const char* str, font_t font, color_t color, color_t bgcolor, justify_t justify) {
#if GDISP_NEED_TEXT_WORDWRAP
wrapParameters_t wrapParameters;
uint16_t nbrLines;
#endif
MUTEX_ENTER(g);
@ -3334,7 +3347,6 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
x += font->baseline_x;
break;
}
y += (cy+1 - font->height)/2;
/* Render */
#if GDISP_NEED_TEXT_WORDWRAP
@ -3344,8 +3356,15 @@ void gdispGDrawBox(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, co
wrapParameters.justify = justify;
wrapParameters.g = g;
// Count the number of lines
nbrLines = 0;
mf_wordwrap(font, cx, str, mf_countline_callback, &nbrLines);
wrapParameters.y += (cy+1 - nbrLines*font->height)/2;
mf_wordwrap(font, cx, str, mf_fillline_callback, &wrapParameters);
#else
y += (cy+1 - font->height)/2;
mf_render_aligned(font, x, y, justify, str, 0, fillcharglyph, g);
#endif
}