diff options
Diffstat (limited to 'framebuffer/fb_cursor.c')
| -rw-r--r-- | framebuffer/fb_cursor.c | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/framebuffer/fb_cursor.c b/framebuffer/fb_cursor.c deleted file mode 100644 index a5e77e543..000000000 --- a/framebuffer/fb_cursor.c +++ /dev/null @@ -1,236 +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 "desktop/browser.h" -#include "image/bitmap.h" - -#include "framebuffer/fb_gui.h" -#include "framebuffer/fb_tk.h" -#include "framebuffer/fb_plotters.h" -#include "framebuffer/fb_bitmap.h" -#include "framebuffer/fb_cursor.h" -#include "framebuffer/fb_frontend.h" -#include "framebuffer/fb_image_data.h" - -struct fb_cursor_s { - int x; - int y; - int width; /**< width */ - int height; /**< height */ - - bool plotted; - - struct bitmap *bitmap; /* pointer bitmap */ - - uint8_t *savedata; /* save under area */ -}; - - -static void fb_cursor_save(framebuffer_t *fb) -{ - uint8_t *savebuf; - int savelen; - uint8_t *pvid; - int yloop; - int height = fb->cursor->height; - - if ((fb->height - fb->cursor->y) < height) - height = fb->height - fb->cursor->y; - - if (height == 0) { - if (fb->cursor->savedata != NULL) - free(fb->cursor->savedata); - fb->cursor->savedata = NULL; - return; - } - - savelen = ((fb->cursor->width * fb->bpp) / 8); - savebuf = malloc(savelen * height); - if (savebuf == NULL) - return; - - if (fb->cursor->savedata != NULL) - free(fb->cursor->savedata); - - fb->cursor->savedata = savebuf; - - pvid = fb->ptr + - (fb->cursor->y * fb->linelen) + - ((fb->cursor->x * fb->bpp) / 8); - - for (yloop=0; yloop < height; yloop++) { - memcpy(savebuf, pvid, savelen); - savebuf += savelen; - pvid += fb->linelen; - } -} - -void fb_cursor_clear(framebuffer_t *fb) -{ - uint8_t *savebuf; - int savelen; - uint8_t *pvid; - int yloop; - int height = fb->cursor->height; - bbox_t cursorbox; - - if ((fb->height - fb->cursor->y) < height) - height = fb->height - fb->cursor->y ; - - if (height == 0) - return; - - if (fb->cursor->plotted == false) - return; - fb->cursor->plotted = false; - - savebuf = fb->cursor->savedata; - if (savebuf == NULL) - return; - - savelen = ((fb->cursor->width * fb->bpp) / 8); - - pvid = fb->ptr + - (fb->cursor->y * fb->linelen) + - ((fb->cursor->x * fb->bpp) / 8); - - for (yloop=0; yloop < height; yloop++) { - memcpy(pvid, savebuf, savelen); - savebuf += savelen; - pvid += fb->linelen; - } - - /* callback to the os specific routine in case it needs to do something - * explicit to redraw - */ - cursorbox.x0 = fb->cursor->x; - cursorbox.y0 = fb->cursor->y; - cursorbox.x1 = fb->cursor->x + fb->cursor->width; - cursorbox.y1 = fb->cursor->y + fb->cursor->height; - fb_os_redraw(&cursorbox); - -} - -/* move cursor to absolute position */ -void -fb_cursor_move(framebuffer_t *fb, int x, int y) -{ - fb_cursor_clear(fb); - - fb->cursor->x = x; - fb->cursor->y = y; - if (fb->cursor->x < 0) - fb->cursor->x = 0; - if (fb->cursor->y < 0) - fb->cursor->y = 0; - if (fb->cursor->x > fb->width) - fb->cursor->x = fb->width; - if (fb->cursor->y > fb->height) - fb->cursor->y = fb->height; -} - -void -fb_cursor_plot(framebuffer_t *fb) -{ - bbox_t saved_plot_ctx; - bbox_t cursorbox; - - /* if cursor is not currently plotted give up early */ - if (fb->cursor->plotted) - return; - - /* enlarge the clipping rectangle to the whole screen for plotting the - * cursor - */ - saved_plot_ctx = fb_plot_ctx; - - fb_plot_ctx.x0 = 0; - fb_plot_ctx.y0 = 0; - fb_plot_ctx.x1 = fb->width; - fb_plot_ctx.y1 = fb->height; - - /* save under the cursor */ - fb_cursor_save(fb); - - /* plot the cursor image */ - plot.bitmap(fb->cursor->x, fb->cursor->y, - fb->cursor->width, fb->cursor->height, - fb->cursor->bitmap, 0, NULL); - - /* callback to the os specific routine in case it needs to do something - * explicit to redraw - */ - cursorbox.x0 = fb->cursor->x; - cursorbox.y0 = fb->cursor->y; - cursorbox.x1 = fb->cursor->x + fb->cursor->width; - cursorbox.y1 = fb->cursor->y + fb->cursor->height; - fb_os_redraw(&cursorbox); - - fb->cursor->plotted = true; - - /* restore clipping rectangle */ - fb_plot_ctx = saved_plot_ctx; -} - -void -fb_cursor_set(fb_cursor_t *cursor, struct bitmap *bmp) -{ - cursor->width = bmp->width; - cursor->height = bmp->height; - cursor->bitmap = bmp; -} - -fb_cursor_t * -fb_cursor_init(framebuffer_t *fb, struct bitmap *bmp) -{ - fb_cursor_t *cursor; - cursor = calloc(1, sizeof(fb_cursor_t)); - - cursor->x = fb->width / 2; - cursor->y = fb->height / 2; - cursor->plotted = false; - - fb_cursor_set(cursor, bmp); - - return cursor; -} - -int fb_cursor_x(framebuffer_t *fb) -{ - return fb->cursor->x; -} - -int fb_cursor_y(framebuffer_t *fb) -{ - return fb->cursor->y; -} - - -/* - * Local Variables: - * c-basic-offset:8 - * End: - */ |