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-rw-r--r--src/plot/1bpp.c266
1 files changed, 266 insertions, 0 deletions
diff --git a/src/plot/1bpp.c b/src/plot/1bpp.c
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+++ b/src/plot/1bpp.c
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+/*
+ * 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:
+ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-18 23:17:27 +0000