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Have gr_init_font alloc memory for the font

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Change-Id: I8ccf369d52011bc5d07d8e041fe558ce734a78fc
This commit is contained in:
Damien Bargiacchi 2016-09-09 07:14:08 -07:00
parent 43d186021a
commit d00f5eb63a
2 changed files with 16 additions and 8 deletions
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22
minui/graphics.cpp
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@ -264,33 +264,41 @@ unsigned int gr_get_height(GRSurface* surface) {
return surface->height;
}
int gr_init_font(const char* name, GRFont* dest) {
int res = res_create_alpha_surface(name, &(dest->texture));
int gr_init_font(const char* name, GRFont** dest) {
GRFont* font = reinterpret_cast<GRFont*>(calloc(1, sizeof(*gr_font)));
if (font == nullptr) {
return -1;
}
int res = res_create_alpha_surface(name, &(font->texture));
if (res < 0) {
free(font);
return res;
}
// The font image should be a 96x2 array of character images. The
// columns are the printable ASCII characters 0x20 - 0x7f. The
// top row is regular text; the bottom row is bold.
dest->char_width = dest->texture->width / 96;
dest->char_height = dest->texture->height / 2;
font->char_width = font->texture->width / 96;
font->char_height = font->texture->height / 2;
*dest = font;
return 0;
}
static void gr_init_font(void)
{
gr_font = reinterpret_cast<GRFont*>(calloc(sizeof(*gr_font), 1));
int res = gr_init_font("font", gr_font);
int res = gr_init_font("font", &gr_font);
if (res == 0) {
return;
}
printf("failed to read font: res=%d\n", res);
// fall back to the compiled-in font.
gr_font = reinterpret_cast<GRFont*>(calloc(1, sizeof(*gr_font)));
gr_font->texture = reinterpret_cast<GRSurface*>(malloc(sizeof(*gr_font->texture)));
gr_font->texture->width = font.width;
gr_font->texture->height = font.height;

2
minui/minui.h
View file

@ -55,7 +55,7 @@ void gr_fill(int x1, int y1, int x2, int y2);
void gr_texticon(int x, int y, GRSurface* icon);
const GRFont* gr_sys_font();
int gr_init_font(const char* name, GRFont* dest);
int gr_init_font(const char* name, GRFont** dest);
void gr_text(const GRFont* font, int x, int y, const char *s, bool bold);
int gr_measure(const GRFont* font, const char *s);
void gr_font_size(const GRFont* font, int *x, int *y);