diff options
Diffstat (limited to 'framebuffer/fb_32bpp_plotters.c')
-rw-r--r-- | framebuffer/fb_32bpp_plotters.c | 116 |
1 files changed, 112 insertions, 4 deletions
diff --git a/framebuffer/fb_32bpp_plotters.c b/framebuffer/fb_32bpp_plotters.c index 8e8f353f6..28a6030a9 100644 --- a/framebuffer/fb_32bpp_plotters.c +++ b/framebuffer/fb_32bpp_plotters.c @@ -178,7 +178,114 @@ static bool fb_32bpp_clg(colour c) return true; } +#ifdef FB_USE_FREETYPE + +static bool +fb_32bpp_draw_ft_bitmap(FT_Bitmap *bp, int x, int y, colour c) +{ + int height = bp->rows; + int width = bp->width; + uint32_t row; + int xloop, yloop; + + uint32_t *pvideo; + uint32_t fgcol; + + int x0,y0,x1,y1; + int xoff, yoff; /* x and y offset into image */ + + unsigned char *fntd; + + if (width == 0) { + LOG(("null width char!")); + return false; + } + + + y+=1; /* the coord is the bottom-left of the pixels offset by 1 to make + * it work since fb coords are the top-left of pixels + */ + + /* The part of the text displayed is cropped to the current context. */ + x0 = x; + y0 = y; + x1 = x + width; + y1 = y + height; + + if (!fb_plotters_clip_rect_ctx(&x0, &y0, &x1, &y1)) { + return true; /* text lies outside current clipping region */ + } + + /* find width and height to plot */ + if (height > (y1 - y0)) + height = (y1 - y0); + + if (width > (x1 - x0)) + width = (x1 - x0); + + xoff = x0 - x; + yoff = y0 - y; + + fgcol = ((c & 0xff0000) >> 16) | (c & 0xff00) | ((c & 0xff) << 16); + + + pvideo = fb_32bpp_get_xy_loc(x, y0); + + for (yloop = yoff; yloop < height; yloop++) { + fntd = bp->buffer + (yloop * bp->pitch); + for (xloop = 0; xloop < width ; xloop++) { + if ((xloop % 8) == 0) { + row = *fntd++; + } + + if ((row & 0x80) != 0) { + *(pvideo + xloop) = fgcol; + } + row = row << 1; + } + + pvideo += (framebuffer->linelen >> 2); + } + + + return true; +} + +static bool fb_32bpp_text(int x, int y, const struct css_style *style, + const char *text, size_t length, colour bg, colour c) +{ + uint32_t ucs4; + size_t nxtchr = 0; + FT_UInt glyph_index; + FT_Face face = fb_get_face(style); + FT_Error error; + + while (nxtchr < length) { + ucs4 = utf8_to_ucs4(text + nxtchr, length - nxtchr); + nxtchr = utf8_next(text, length, nxtchr); + glyph_index = FT_Get_Char_Index(face, ucs4); + + error = FT_Load_Glyph(face, glyph_index, FT_LOAD_DEFAULT); + if (error) + continue; + + error = FT_Render_Glyph(face->glyph, FT_RENDER_MODE_MONO ); + if (error) + continue; + + /* now, draw to our target surface */ + fb_32bpp_draw_ft_bitmap( &face->glyph->bitmap, + x + face->glyph->bitmap_left, + y - face->glyph->bitmap_top, + c); + + x += face->glyph->advance.x >> 6; + + } + return true; +} +#else static bool fb_32bpp_text(int x, int y, const struct css_style *style, const char *text, size_t length, colour bg, colour c) { @@ -259,17 +366,18 @@ static bool fb_32bpp_text(int x, int y, const struct css_style *style, free(buffer); return true; } +#endif static bool fb_32bpp_disc(int x, int y, int radius, colour c, bool filled) { - printf("disc\n"); + LOG(("disc unimplemented")); return true; } static bool fb_32bpp_arc(int x, int y, int radius, int angle1, int angle2, colour c) { - printf("arc\n"); + LOG(("arc unimplemented")); return true; } @@ -365,14 +473,14 @@ static bool fb_32bpp_bitmap_tile(int x, int y, int width, int height, static bool fb_32bpp_flush(void) { - printf("flush\n"); + LOG(("flush unimplemnted")); return true; } static bool fb_32bpp_path(const float *p, unsigned int n, colour fill, float width, colour c, const float transform[6]) { - printf("path\n"); + LOG(("path unimplemented")); return true; } |