diff options
Diffstat (limited to 'framebuffer/fb_8bpp_plotters.c')
-rw-r--r-- | framebuffer/fb_8bpp_plotters.c | 463 |
1 files changed, 0 insertions, 463 deletions
diff --git a/framebuffer/fb_8bpp_plotters.c b/framebuffer/fb_8bpp_plotters.c deleted file mode 100644 index 7616f4f07..000000000 --- a/framebuffer/fb_8bpp_plotters.c +++ /dev/null @@ -1,463 +0,0 @@ -/* - * Copyright 2008 Vincent Sanders <vince@simtec.co.uk> - * - * This file is part of NetSurf, http://www.netsurf-browser.org/ - * - * NetSurf is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * NetSurf is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#include <sys/types.h> -#include <stdint.h> -#include <string.h> -#include <limits.h> - -#include "utils/log.h" -#include "utils/utf8.h" -#include "desktop/plotters.h" - -#include "framebuffer/fb_gui.h" -#include "framebuffer/fb_plotters.h" -#include "framebuffer/fb_bitmap.h" -#include "framebuffer/fb_font.h" - -static inline uint8_t * -fb_8bpp_get_xy_loc(int x, int y) -{ - return (uint8_t *)(framebuffer->ptr + - (y * framebuffer->linelen) + - (x)); -} - - -static bool fb_8bpp_line(int x0, int y0, int x1, int y1, int width, - colour c, bool dotted, bool dashed) -{ - LOG(("%d, %d, %d, %d, %d, 0x%lx, %d, %d", - x0, y0, x1, y1, width, (unsigned long)c, dotted, dashed)); - - return true; -} - -static bool fb_8bpp_rectangle(int x0, int y0, int width, int height, - int line_width, colour c, bool dotted, bool dashed) -{ - fb_8bpp_line(x0, y0, x0 + width, y0, line_width, c, dotted, dashed); - fb_8bpp_line(x0, y0 + height, x0 + width, y0 + height, line_width, c, dotted, dashed); - fb_8bpp_line(x0, y0, x0, y0 + height, line_width, c, dotted, dashed); - fb_8bpp_line(x0 + width, y0, x0 + width, y0 + height, line_width, c, dotted, dashed); - return true; -} - -static bool fb_8bpp_polygon(const int *p, unsigned int n, colour fill) -{ - /*LOG(("%p, %d, 0x%lx", p,n,fill));*/ - return fb_plotters_polygon(p, n, fill, fb_8bpp_line); -} - -static int -find_closest_palette_entry(colour c) -{ - colour palent; - int col; - - int dr, dg, db; /* delta red, green blue values */ - - int cur_distance; - int best_distance = INT_MAX; - int best_col = 0; - - for (col = 0; col < 256; col++) { - palent = framebuffer->palette[col]; - - dr = (c & 0xFF) - (palent & 0xFF); - dg = ((c >> 8) & 0xFF) - ((palent >> 8) & 0xFF); - db = ((c >> 16) & 0xFF) - ((palent >> 16) & 0xFF); - cur_distance = ((dr * dr) + (dg * dg) + (db *db)); - if (cur_distance < best_distance) { - best_distance = cur_distance; - best_col = col; - } - } - - return best_col; -} - -static inline uint8_t fb_colour_to_pixel(colour c) -{ - return find_closest_palette_entry(c); -} - -static inline colour fb_8bpp_to_colour(uint8_t pixel) -{ - return framebuffer->palette[pixel]; -} - -static bool fb_8bpp_fill(int x0, int y0, int x1, int y1, colour c) -{ - int y; - uint8_t ent; - uint8_t *pvideo; - - if (!fb_plotters_clip_rect_ctx(&x0, &y0, &x1, &y1)) - return true; /* fill lies outside current clipping region */ - - pvideo = fb_8bpp_get_xy_loc(x0, y0); - - ent = find_closest_palette_entry(c); - - for (y = y0; y < y1; y++) { - memset(pvideo, ent, x1 - x0); - pvideo += framebuffer->linelen; - } - - return true; -} - -static bool fb_8bpp_clg(colour c) -{ - LOG(("colour %lx", (unsigned long)c)); - fb_8bpp_fill(fb_plot_ctx.x0, - fb_plot_ctx.y0, - fb_plot_ctx.x1, - fb_plot_ctx.y1, - c); - return true; -} - -#ifdef FB_USE_FREETYPE - -static bool -fb_8bpp_draw_ft_monobitmap(FT_Bitmap *bp, int x, int y, colour c) -{ - return false; -} - -static bool -fb_8bpp_draw_ft_bitmap(FT_Bitmap *bp, int x, int y, colour c) -{ - uint8_t *pvideo; - uint8_t *pixel = (uint8_t *)bp->buffer; - colour abpixel; /* alphablended pixel */ - int xloop, yloop; - int x0,y0,x1,y1; - int xoff, yoff; /* x and y offset into image */ - int height = bp->rows; - int width = bp->width; - uint32_t fgcol; - - /* The part of the scaled image actually 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; - - if (height > (y1 - y0)) - height = (y1 - y0); - - if (width > (x1 - x0)) - width = (x1 - x0); - - xoff = x0 - x; - yoff = y0 - y; - - /* plot the image */ - pvideo = fb_8bpp_get_xy_loc(x0, y0); - - fgcol = c & 0xFFFFFF; - - for (yloop = 0; yloop < height; yloop++) { - for (xloop = 0; xloop < width; xloop++) { - abpixel = (pixel[((yoff + yloop) * bp->pitch) + xloop + xoff] << 24) | fgcol; - if ((abpixel & 0xFF000000) != 0) { - if ((abpixel & 0xFF000000) != 0xFF000000) { - abpixel = fb_plotters_ablend(abpixel, - fb_8bpp_to_colour(*(pvideo + xloop))); - } - - *(pvideo + xloop) = fb_colour_to_pixel(abpixel); - - } - } - pvideo += framebuffer->linelen; - } - - return true; -} - -static bool fb_8bpp_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_Glyph glyph; - FT_BitmapGlyph bglyph; - - while (nxtchr < length) { - ucs4 = utf8_to_ucs4(text + nxtchr, length - nxtchr); - nxtchr = utf8_next(text, length, nxtchr); - - glyph = fb_getglyph(style, ucs4); - if (glyph == NULL) - continue; - if (glyph->format == FT_GLYPH_FORMAT_BITMAP) { - bglyph = (FT_BitmapGlyph)glyph; - - /* now, draw to our target surface */ - if (bglyph->bitmap.pixel_mode == FT_PIXEL_MODE_MONO) { - fb_8bpp_draw_ft_monobitmap(&bglyph->bitmap, - x + bglyph->left, - y - bglyph->top, - c); - } else { - fb_8bpp_draw_ft_bitmap(&bglyph->bitmap, - x + bglyph->left, - y - bglyph->top, - c); - } - } - x += glyph->advance.x >> 16; - - } - return true; - -} -#else -static bool fb_8bpp_text(int x, int y, const struct css_style *style, - const char *text, size_t length, colour bg, colour c) -{ - const struct fb_font_desc* fb_font = fb_get_font(style); - const uint32_t *font_data; - uint32_t row; - - int xloop, yloop; - size_t chr; - - uint8_t *pvideo; - uint8_t fgcol; - - unsigned char *buffer = NULL; - int x0,y0,x1,y1; - int xoff, yoff; /* x and y offset into image */ - int height = fb_font->height; - - /* aquire thge text in local font encoding */ - utf8_to_font_encoding(fb_font, text, length, (char **)&buffer); - if (!buffer) - return true; - length = strlen((char *)buffer); - - - /* y is given to the fonts baseline we need it to the fonts top */ - y-=((fb_font->height * 75)/100); - - 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 + (fb_font->width * length); - y1 = y + fb_font->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); - - xoff = x0 - x; - yoff = y0 - y; - - fgcol = find_closest_palette_entry(c); - - /*LOG(("x %d, y %d, style %p, txt %.*s , len %d, bg 0x%lx, fg 0x%lx", - x,y,style,length,text,length,bg,c));*/ - - for (chr = 0; chr < length; chr++, x += fb_font->width) { - if ((x + fb_font->width) > x1) - break; - - if (x < x0) - continue; - - pvideo = fb_8bpp_get_xy_loc(x, y0); - - /* move our font-data to the correct position */ - font_data = fb_font->data + (buffer[chr] * fb_font->height); - - for (yloop = 0; yloop < height; yloop++) { - row = font_data[yoff + yloop]; - for (xloop = fb_font->width; xloop > 0 ; xloop--) { - if ((row & 1) != 0) - *(pvideo + xloop) = fgcol; - row = row >> 1; - } - pvideo += framebuffer->linelen; - } - } - - free(buffer); - return true; -} -#endif - -static bool fb_8bpp_disc(int x, int y, int radius, colour c, bool filled) -{ - LOG(("x %d, y %d, rad %d, c 0x%lx, fill %d", x, y, radius, (unsigned long)c, filled)); - return true; -} - -static bool fb_8bpp_arc(int x, int y, int radius, int angle1, int angle2, - colour c) -{ - LOG(("x %d, y %d, radius %d, angle1 %d, angle2 %d, c 0x%lx", - x, y, radius, angle1, angle2, (unsigned long)c)); - return true; -} - - - -static bool fb_8bpp_bitmap(int x, int y, int width, int height, - struct bitmap *bitmap, colour bg, - struct content *content) -{ - uint8_t *pvideo; - colour *pixel = (colour *)bitmap->pixdata; - colour abpixel; /* alphablended pixel */ - int xloop, yloop; - int x0,y0,x1,y1; - int xoff, yoff; /* x and y offset into image */ - - /* LOG(("x %d, y %d, width %d, height %d, bitmap %p, content %p", - x,y,width,height,bitmap,content));*/ - - /* TODO here we should scale the image from bitmap->width to width, for - * now simply crop. - */ - if (width > bitmap->width) - width = bitmap->width; - - if (height > bitmap->height) - height = bitmap->height; - - /* The part of the scaled image actually 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; - - if (height > (y1 - y0)) - height = (y1 - y0); - - if (width > (x1 - x0)) - width = (x1 - x0); - - xoff = x0 - x; - yoff = (y0 - y) * bitmap->width; - height = height * bitmap->width + yoff; - - /* plot the image */ - pvideo = fb_8bpp_get_xy_loc(x0, y0); - - if (bitmap->opaque) { - for (yloop = yoff; yloop < height; yloop += bitmap->width) { - for (xloop = 0; xloop < width; xloop++) { - abpixel = pixel[yloop + xloop + xoff]; - *(pvideo + xloop) = fb_colour_to_pixel(abpixel); - } - pvideo += framebuffer->linelen; - } - } else { - for (yloop = yoff; yloop < height; yloop += bitmap->width) { - for (xloop = 0; xloop < width; xloop++) { - abpixel = pixel[yloop + xloop + xoff]; - if ((abpixel & 0xFF000000) != 0) { - if ((abpixel & 0xFF000000) != 0xFF000000) { - abpixel = fb_plotters_ablend(abpixel, - fb_8bpp_to_colour(*(pvideo + xloop))); - } - - *(pvideo + xloop) = fb_colour_to_pixel(abpixel); - } - } - pvideo += framebuffer->linelen; - } - } - - return true; -} - -static bool fb_8bpp_bitmap_tile(int x, int y, int width, int height, - struct bitmap *bitmap, colour bg, - bool repeat_x, bool repeat_y, - struct content *content) -{ - return fb_plotters_bitmap_tile(x, y, width, height, - bitmap, bg, repeat_x, repeat_y, - content, fb_8bpp_bitmap); -} - -static bool fb_8bpp_flush(void) -{ - LOG(("%s()\n", __func__)); - return true; -} - -static bool fb_8bpp_path(const float *p, - unsigned int n, - colour fill, - float width, - colour c, - const float transform[6]) -{ - LOG(("%f, %d, 0x%lx, %f, 0x%lx, %f", - *p, n, (unsigned long)fill, width, (unsigned long)c, *transform)); - - return true; -} - -const struct plotter_table framebuffer_8bpp_plot = { - .clg = fb_8bpp_clg, - .rectangle = fb_8bpp_rectangle, - .line = fb_8bpp_line, - .polygon = fb_8bpp_polygon, - .fill = fb_8bpp_fill, - .clip = fb_clip, - .text = fb_8bpp_text, - .disc = fb_8bpp_disc, - .arc = fb_8bpp_arc, - .bitmap = fb_8bpp_bitmap, - .bitmap_tile = fb_8bpp_bitmap_tile, - .flush = fb_8bpp_flush, - .path = fb_8bpp_path, - .option_knockout = true, -}; - - -/* - * Local Variables: - * c-basic-offset:8 - * End: - */ |