summaryrefslogtreecommitdiff
path: root/src/24bpp_plotters.c
diff options
context:
space:
mode:
authorVincent Sanders <vince@netsurf-browser.org>2010-01-20 17:18:28 +0000
committerVincent Sanders <vince@netsurf-browser.org>2010-01-20 17:18:28 +0000
commit131b6c4a00575c9e996a9ae60c90a9647fb5ef75 (patch)
treedba439673b801a22a833270dbd615628bf0614e4 /src/24bpp_plotters.c
parenta3097232844a20ea918d63722dbe6a7c71493bab (diff)
downloadlibnsfb-131b6c4a00575c9e996a9ae60c90a9647fb5ef75.tar.gz
libnsfb-131b6c4a00575c9e996a9ae60c90a9647fb5ef75.tar.bz2
move plot functions to their own sub directory
fix 8 and 16bpp plotters when used with cursor svn path=/trunk/libnsfb/; revision=9850
Diffstat (limited to 'src/24bpp_plotters.c')
-rw-r--r--src/24bpp_plotters.c469
1 files changed, 0 insertions, 469 deletions
diff --git a/src/24bpp_plotters.c b/src/24bpp_plotters.c
deleted file mode 100644
index 777b896..0000000
--- a/src/24bpp_plotters.c
+++ /dev/null
@@ -1,469 +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 colour calc_colour(uint8_t c)
-{
- return framebuffer->palette[c];
-}
-
-
-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:
- */