diff options
Diffstat (limited to 'src/plot/1bpp.c')
-rw-r--r-- | src/plot/1bpp.c | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/src/plot/1bpp.c b/src/plot/1bpp.c new file mode 100644 index 0000000..bd511e7 --- /dev/null +++ b/src/plot/1bpp.c @@ -0,0 +1,266 @@ +/* + * 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" + +extern struct fb_info_s *fbinfo; + + +static bool fb_1bpp_rectangle(int x0, int y0, int width, int height, + int line_width, colour c, bool dotted, bool dashed) +{ + LOG(("%s(%d, %d, %d, %d, %d, 0x%lx, %d, %d)\n", __func__, + x0,y0,width,height,line_width,c,dotted,dashed)); + return true; +} + +static bool fb_1bpp_line(int x0, int y0, int x1, int y1, int width, + colour c, bool dotted, bool dashed) +{ + LOG(("%s(%d, %d, %d, %d, %d, 0x%lx, %d, %d)\n", __func__, + x0,y0,x1,y1,width,c,dotted,dashed)); + + return true; +} + +static bool fb_1bpp_polygon(const int *p, unsigned int n, colour fill) +{ + LOG(("%s(%p, %d, 0x%lx)\n", __func__, p,n,fill)); + return true; +} + + +static bool fb_1bpp_fill(int x0, int y0, int x1, int y1, colour c) +{ + int x; + int y; + int pent; + + LOG(("%s(%d, %d, %d, %d, 0x%lx)\n", __func__, + x0,y0,x1,y1,c)); + + if (c != 0) + pent = 0xff; + else + pent = 0; + + fb_plotters_clip_rect_ctx(&x0, &y0, &x1, &y1); + + x = x1 - x0; + for (y = y0; y < y1; y++) { + memset(fb_plotters_get_xy_loc(x0, y, fbinfo), pent, x); + } + return true; +} + +static bool fb_1bpp_clg(colour c) +{ + LOG(("%s(%lx)\n", __func__, c)); + fb_1bpp_fill(fb_plot_ctx.x0, + fb_plot_ctx.y0, + fb_plot_ctx.x1, + fb_plot_ctx.y1, + c); + return true; +} + + +static bool fb_1bpp_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); + u8_t *video_char_start; + const u8_t *font_data; + int yloop; + unsigned char row; + int chr; + + LOG(("%s(%d, %d, %p, %.*s , %d, 0x%lx, 0x%lx)\n", __func__, + x,y,style,length,text,length,bg,c)); + + for (chr=0; chr < length; chr++) { + video_char_start = fb_plotters_get_xy_loc(x + (chr * (fb_font->width)), y, fbinfo); + + /* move our font-data to the correct position */ + font_data = fb_font->data + (text[chr] * fb_font->height); + + for (yloop = 0; yloop < fb_font->height; yloop++) { + row = font_data[yloop]; + *video_char_start = row; + video_char_start += fbinfo->line_len; + } + } + return true; + + + /* copied from css/css.h - need to open the correct font here + * font properties * + css_font_family font_family; + struct { + css_font_size_type size; + union { + struct css_length length; + float absolute; + float percent; + } value; + } font_size; + css_font_style font_style; + css_font_variant font_variant; + css_font_weight font_weight; + */ + return true; +} + +static bool fb_1bpp_disc(int x, int y, int radius, colour c, bool filled) +{ + LOG(("%s(%d, %d, %d, 0x%lx, %d)\n", __func__, + x, y, radius, c, filled)); + return true; +} + +static bool fb_1bpp_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, c)); + return true; +} + +static inline colour ablend(colour pixel) +{ + return pixel; +} + + +static bool fb_1bpp_bitmap(int x, int y, int width, int height, + struct bitmap *bitmap, colour bg, + struct content *content) +{ + u8_t *video_char_start; + colour *pixel = (colour *)bitmap->pixdata; + colour abpixel; /* alphablended pixel */ + int xloop,yloop; + + video_char_start = fb_plotters_get_xy_loc(x, y, fbinfo); + + for (yloop = 0; yloop < height; yloop++) { + for (xloop = 0; xloop < width; xloop++) { + abpixel = pixel[(yloop * bitmap->width) + xloop]; + if ((abpixel & 0xFF000000) != 0) { + if ((abpixel & 0xFF000000) != 0xFF) + abpixel = ablend(abpixel); + if (abpixel == 0) + video_char_start[xloop] |= (1 << (xloop % 8)); + else + video_char_start[xloop] &= ~(1 << (xloop % 8)); + + } + } + video_char_start += fbinfo->line_len; + } + + return true; +} + +static bool fb_1bpp_bitmap_tile(int x, int y, int width, int height, + struct bitmap *bitmap, colour bg, + bool repeat_x, bool repeat_y, + struct content *content) +{ + unsigned long xf,yf,wf,hf; + + if (!(repeat_x || repeat_y)) { + /* Not repeating at all, so just pass it on */ + return fb_1bpp_bitmap(x,y,width,height,bitmap,bg,content); + } + + for (xf = 0; xf < width; xf += bitmap->width) { + for(yf = 0;yf < height; yf += bitmap->height) { + if(width > xf+bitmap->width) + { + wf = width-(xf+bitmap->width); + } + else + { + wf=bitmap->width; + } + + if(height > yf+bitmap->height) + { + hf = height-(yf+bitmap->height); + } + else + { + hf=bitmap->height; + } + + fb_1bpp_bitmap(x+xf, y+yf, wf, hf, bitmap, bg, content); + + } + } + + return true; +} + +static bool fb_1bpp_flush(void) +{ + LOG(("%s()\n", __func__)); + return true; +} + +static bool fb_1bpp_path(const float *p, unsigned int n, colour fill, float width, + colour c, const float transform[6]) +{ + LOG(("%s(%f, %d, 0x%lx, %f, 0x%lx, %f)\n", __func__, + *p, n, fill, width, c, *transform)); + return true; +} + +const struct plotter_table framebuffer_1bpp_plot = { + .clg = fb_1bpp_clg, + .rectangle = fb_1bpp_rectangle, + .line = fb_1bpp_line, + .polygon = fb_1bpp_polygon, + .fill = fb_1bpp_fill, + .clip = fb_clip, + .text = fb_1bpp_text, + .disc = fb_1bpp_disc, + .arc = fb_1bpp_arc, + .bitmap = fb_1bpp_bitmap, + .bitmap_tile = fb_1bpp_bitmap_tile, + .flush = fb_1bpp_flush, + .path = fb_1bpp_path +}; + +/* + * Local Variables: + * c-basic-offset:8 + * End: + */ |