242 lines
7.1 KiB
C
242 lines
7.1 KiB
C
/*
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* Copyright 2008 Vincent Sanders <vince@simtec.co.uk>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <sys/types.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <string.h>
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#include <limits.h>
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#include "utils/log.h"
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#include "utils/utf8.h"
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#include "desktop/plotters.h"
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#include "desktop/browser.h"
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#include "image/bitmap.h"
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#include "framebuffer/fb_gui.h"
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#include "framebuffer/fb_plotters.h"
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#include "framebuffer/fb_bitmap.h"
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#include "framebuffer/fb_cursor.h"
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struct fb_cursor_s {
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int x;
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int y;
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int width; /**< width */
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int height; /**< height */
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bool plotted;
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struct bitmap *bitmap; /* pointer bitmap */
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uint8_t *savedata; /* save under area */
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};
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static const struct {
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unsigned int width;
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unsigned int height;
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unsigned int bytes_per_pixel; /* 3:RGB, 4:RGBA */
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unsigned char pixel_data[11 * 15 * 4 + 1];
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} pointer_image = {
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11, 15, 4,
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"\0\0\0'\0\0\0""8\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0`\230\230\230\275\3\3\3D\0\0\0\1\0\0\0\4\0\0\0\1\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0`\377\377\377\277\230\230\230"
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"\275\2\2\2N\0\0\0\37\0\0\0\23\0\0\0\2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0`\377\377\377\277\377\377\377\277\224\224\224\302\2\2\2`\0\0\0$\0\0\0\24"
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"\0\0\0\2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0`\377\377\377\277\377\377\377\277\370"
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"\370\370\304\220\220\220\307\2\2\2`\0\0\0$\0\0\0\24\0\0\0\2\0\0\0\0\0\0\0"
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"\0\0\0\0`\377\377\377\277\377\377\377\277\370\370\370\304\362\362\362\311"
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"\220\220\220\307\2\2\2`\0\0\0$\0\0\0\24\0\0\0\2\0\0\0\0\0\0\0`\377\377\377"
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"\277\377\377\377\277\370\370\370\304\362\362\362\311\361\361\361\311]]]\307"
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"\0\0\0;\0\0\0$\0\0\0\24\0\0\0\2\0\0\0`\377\377\377\277\377\377\377\277\370"
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"\370\370\304\304\304\304\311222\245\0\0\0Z\0\0\0'\0\0\0&\0\0\0$\0\0\0\24"
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"\0\0\0`\334\334\334\277sss\273\277\277\277\304\340\340\340\311\16\16\16~"
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"\0\0\0&\0\0\0&\0\0\0&\0\0\0&\0\0\0#\0\0\0-\5\5\5T\0\0\0\21]]]\261\362\362"
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"\362\311ccc\276\0\0\0,\0\0\0&\0\0\0&\0\0\0#\0\0\0\26\0\0\0\0\0\0\0\0\0\0"
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"\0\0\11\11\11h\333\333\333\311\306\306\306\311\0\0\0g\0\0\0&\0\0\0&\0\0\0"
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"\31\0\0\0\2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\36ooo\304\212\212\212\305\15\15"
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"\15q\0\0\0&\0\0\0&\0\0\0!\0\0\0\6\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\0\0\0""8"
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"\0\0\0\35\0\0\0\25\0\0\0&\0\0\0&\0\0\0%\0\0\0\21\0\0\0\0\0\0\0\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\10\0\0\0#\0\0\0&\0\0\0%\0\0\0\24\0\0\0\0\0"
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"\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\0\0\0\24\0\0\0\34\0\0\0\22"
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"\0\0\0\4",
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};
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static void fb_cursor_save(framebuffer_t *fb)
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{
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uint8_t *savebuf;
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int savelen;
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uint8_t *pvid;
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int yloop;
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int height = fb->cursor->height;
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if ((fb->height - fb->cursor->y) < height)
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height = fb->height - fb->cursor->y;
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if (height == 0) {
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if (fb->cursor->savedata != NULL)
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free(fb->cursor->savedata);
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fb->cursor->savedata = NULL;
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return;
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}
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savelen = ((fb->cursor->width * fb->bpp) / 8);
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savebuf = malloc(savelen * height);
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if (savebuf == NULL)
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return;
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if (fb->cursor->savedata != NULL)
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free(fb->cursor->savedata);
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fb->cursor->savedata = savebuf;
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pvid = fb->ptr +
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(fb->cursor->y * fb->linelen) +
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((fb->cursor->x * fb->bpp) / 8);
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for (yloop=0; yloop < height; yloop++) {
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memcpy(savebuf, pvid, savelen);
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savebuf += savelen;
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pvid += fb->linelen;
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}
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}
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static void fb_cursor_clear(framebuffer_t *fb)
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{
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uint8_t *savebuf;
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int savelen;
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uint8_t *pvid;
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int yloop;
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int height = fb->cursor->height;
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if ((fb->height - fb->cursor->y) < height)
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height = fb->height - fb->cursor->y ;
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if (height == 0)
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return;
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if (fb->cursor->plotted == false)
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return;
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fb->cursor->plotted = false;
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savebuf = fb->cursor->savedata;
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if (savebuf == NULL)
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return;
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savelen = ((fb->cursor->width * fb->bpp) / 8);
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pvid = fb->ptr +
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(fb->cursor->y * fb->linelen) +
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((fb->cursor->x * fb->bpp) / 8);
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for (yloop=0; yloop < height; yloop++) {
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memcpy(pvid, savebuf, savelen);
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savebuf += savelen;
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pvid += fb->linelen;
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}
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}
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void
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fb_cursor_move(framebuffer_t *fb, int x, int y)
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{
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fb_cursor_clear(fb);
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fb->cursor->x += x;
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fb->cursor->y += y;
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if (fb->cursor->x < 0)
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fb->cursor->x = 0;
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if (fb->cursor->y < 0)
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fb->cursor->y = 0;
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if (fb->cursor->x > fb->width)
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fb->cursor->x = fb->width;
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if (fb->cursor->y > fb->height)
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fb->cursor->y = fb->height;
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}
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void
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fb_cursor_plot(framebuffer_t *fb)
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{
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bbox_t saved_plot_ctx;
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if (fb->cursor->plotted)
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return;
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saved_plot_ctx = fb_plot_ctx;
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fb_plot_ctx.x0 = 0;
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fb_plot_ctx.y0 = 0;
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fb_plot_ctx.x1 = fb->width;
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fb_plot_ctx.y1 = fb->height;
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fb_cursor_save(fb);
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plot.bitmap(fb->cursor->x, fb->cursor->y,
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fb->cursor->width, fb->cursor->height,
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fb->cursor->bitmap, 0, NULL);
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fb->cursor->plotted = true;
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fb_plot_ctx = saved_plot_ctx;
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}
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fb_cursor_t *
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fb_cursor_init(framebuffer_t *fb)
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{
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fb_cursor_t *cursor;
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cursor = calloc(1, sizeof(fb_cursor_t));
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cursor->x = fb->width / 2;
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cursor->y = fb->height / 2;
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cursor->width = pointer_image.width;
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cursor->height = pointer_image.height;
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cursor->bitmap = bitmap_create(cursor->width, cursor->height, 0);
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memcpy(cursor->bitmap->pixdata,
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pointer_image.pixel_data,
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pointer_image.width *
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pointer_image.height *
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pointer_image.bytes_per_pixel);
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cursor->plotted = false;
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return cursor;
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}
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void
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fb_cursor_click(framebuffer_t *fb,
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struct gui_window *g,
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browser_mouse_state st)
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{
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browser_window_mouse_click(g->bw,
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st,
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fb->cursor->x,
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fb->cursor->y + g->scrolly);
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}
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/*
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* Local Variables:
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* c-basic-offset:8
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* End:
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*/
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