diff options
Diffstat (limited to 'minui/graphics.c')
| -rw-r--r-- | minui/graphics.c | 44 |
1 files changed, 32 insertions, 12 deletions
diff --git a/minui/graphics.c b/minui/graphics.c index ba68a9538..4968eac7a 100644 --- a/minui/graphics.c +++ b/minui/graphics.c @@ -30,6 +30,7 @@ #include <pixelflinger/pixelflinger.h> +#include "font_10x18.h" #include "minui.h" #if defined(RECOVERY_BGRA) @@ -49,7 +50,6 @@ typedef struct { GGLSurface* texture; unsigned cwidth; unsigned cheight; - unsigned ascent; } GRFont; static GRFont *gr_font = 0; @@ -223,7 +223,7 @@ void gr_font_size(int *x, int *y) *y = gr_font->cheight; } -int gr_text(int x, int y, const char *s) +int gr_text(int x, int y, const char *s, int bold) { GGLContext *gl = gr_context; GRFont *font = gr_font; @@ -231,11 +231,11 @@ int gr_text(int x, int y, const char *s) if (!font->texture) return x; + bold = bold && (font->texture->height != font->cheight); + x += overscan_offset_x; y += overscan_offset_y; - y -= font->ascent; - gl->bindTexture(gl, font->texture); gl->texEnvi(gl, GGL_TEXTURE_ENV, GGL_TEXTURE_ENV_MODE, GGL_REPLACE); gl->texGeni(gl, GGL_S, GGL_TEXTURE_GEN_MODE, GGL_ONE_TO_ONE); @@ -245,7 +245,8 @@ int gr_text(int x, int y, const char *s) while((off = *s++)) { off -= 32; if (off < 96) { - gl->texCoord2i(gl, (off * font->cwidth) - x, 0 - y); + gl->texCoord2i(gl, (off * font->cwidth) - x, + (bold ? font->cheight : 0) - y); gl->recti(gl, x, y, x + font->cwidth, y + font->cheight); } x += font->cwidth; @@ -326,18 +327,37 @@ static void gr_init_font(void) gr_font = calloc(sizeof(*gr_font), 1); int res = res_create_surface("font", (void**)&(gr_font->texture)); - if (res != 0) { + if (res == 0) { + // 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. + gr_font->cwidth = gr_font->texture->width / 96; + gr_font->cheight = gr_font->texture->height / 2; + } else { printf("failed to read font: res=%d\n", res); - gr_font->texture = NULL; - return; + + // fall back to the compiled-in font. + gr_font->texture = malloc(sizeof(*gr_font->texture)); + gr_font->texture->width = font.width; + gr_font->texture->height = font.height; + gr_font->texture->stride = font.width; + + unsigned char* bits = malloc(font.width * font.height); + gr_font->texture->data = (void*) bits; + + unsigned char data; + unsigned char* in = font.rundata; + while((data = *in++)) { + memset(bits, (data & 0x80) ? 255 : 0, data & 0x7f); + bits += (data & 0x7f); + } + + gr_font->cwidth = font.cwidth; + gr_font->cheight = font.cheight; } // interpret the grayscale as alpha gr_font->texture->format = GGL_PIXEL_FORMAT_A_8; - - gr_font->cwidth = gr_font->texture->width / 96; - gr_font->cheight = gr_font->texture->height; - gr_font->ascent = gr_font->cheight - 2; } int gr_init(void) |