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author | Daniel Silverstone <dsilvers@netsurf-browser.org> | 2008-09-23 14:00:40 +0000 |
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committer | Daniel Silverstone <dsilvers@netsurf-browser.org> | 2008-09-23 14:00:40 +0000 |
commit | 3f5d902edd65ed2201f12914bc555872d3f45eb1 (patch) | |
tree | 272488db325e9a2fecb12c23eb0ae7b5c7deefcf /framebuffer/fb_bitmap.c | |
parent | 9de2adbdf1ed8310894de18992e10dc26b4ae160 (diff) | |
download | netsurf-3f5d902edd65ed2201f12914bc555872d3f45eb1.tar.gz netsurf-3f5d902edd65ed2201f12914bc555872d3f45eb1.tar.bz2 |
Merged revisions 5309-5406,5409-5422 via svnmerge from
svn://svn.netsurf-browser.org/branches/vince/netsurf-fb
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r5309 | vince | 2008-09-13 10:59:10 +0100 (Sat, 13 Sep 2008) | 2 lines
first stab at framebuffer frontend
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r5313 | vince | 2008-09-14 15:08:52 +0100 (Sun, 14 Sep 2008) | 2 lines
add line plotters
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r5314 | vince | 2008-09-14 15:28:12 +0100 (Sun, 14 Sep 2008) | 2 lines
add rectangle plot to 16bpp plotters
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r5315 | vince | 2008-09-14 19:58:57 +0100 (Sun, 14 Sep 2008) | 2 lines
improve 16bpp image plot
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r5316 | vince | 2008-09-15 00:35:32 +0100 (Mon, 15 Sep 2008) | 2 lines
abstract the os specific framebuffer init
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r5317 | vince | 2008-09-15 11:18:51 +0100 (Mon, 15 Sep 2008) | 2 lines
first cut of linux frontend
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r5318 | vince | 2008-09-15 12:01:00 +0100 (Mon, 15 Sep 2008) | 2 lines
remove junk includes
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r5319 | vince | 2008-09-15 12:09:02 +0100 (Mon, 15 Sep 2008) | 2 lines
make plotters OS agnostic again
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r5322 | vince | 2008-09-15 15:55:01 +0100 (Mon, 15 Sep 2008) | 2 lines
Linux frontend operates
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r5323 | vince | 2008-09-15 16:32:47 +0100 (Mon, 15 Sep 2008) | 2 lines
abstract out OS specific input
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r5326 | vince | 2008-09-15 19:21:01 +0100 (Mon, 15 Sep 2008) | 2 lines
Improve linux mode setting
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r5329 | vince | 2008-09-15 21:13:33 +0100 (Mon, 15 Sep 2008) | 2 lines
improve text clipping
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r5339 | vince | 2008-09-16 00:07:57 +0100 (Tue, 16 Sep 2008) | 2 lines
possibly fix text clipping issue
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r5342 | vince | 2008-09-16 00:39:36 +0100 (Tue, 16 Sep 2008) | 2 lines
consolidate polygon plotters
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r5344 | dsilvers | 2008-09-16 10:21:06 +0100 (Tue, 16 Sep 2008) | 1 line
Fix up the framebuffer target makefile a bit more, add some config options for it
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r5345 | dsilvers | 2008-09-16 10:22:19 +0100 (Tue, 16 Sep 2008) | 1 line
Ensure the appropriate frontend is selected when building framebuffer
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r5346 | dsilvers | 2008-09-16 10:27:16 +0100 (Tue, 16 Sep 2008) | 1 line
Update build system to support targetting separate framebuffer frontends in different build trees, update executable to be nsfb-blah
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r5350 | vince | 2008-09-16 17:15:04 +0100 (Tue, 16 Sep 2008) | 1 line
Add -g to provide symbols for framebuffer link
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r5351 | vince | 2008-09-16 17:17:09 +0100 (Tue, 16 Sep 2008) | 1 line
framebuffer scheduler now works, plotters tweaked, gui tracks window redraw requirements better, keypresses not duplicated under linux fb
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r5352 | dsilvers | 2008-09-16 17:38:53 +0100 (Tue, 16 Sep 2008) | 1 line
Ensure we only allow one fetcher at a time
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r5361 | vince | 2008-09-17 11:48:44 +0100 (Wed, 17 Sep 2008) | 2 lines
initial cursor support
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r5362 | vince | 2008-09-17 13:56:47 +0100 (Wed, 17 Sep 2008) | 2 lines
add mouse handling
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r5363 | vince | 2008-09-17 14:14:44 +0100 (Wed, 17 Sep 2008) | 2 lines
add framebuffer resources
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r5364 | vince | 2008-09-17 17:12:21 +0100 (Wed, 17 Sep 2008) | 2 lines
add reasonable pointer
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r5366 | vince | 2008-09-17 17:17:25 +0100 (Wed, 17 Sep 2008) | 2 lines
fix pointer alpha
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r5370 | vince | 2008-09-18 13:43:53 +0100 (Thu, 18 Sep 2008) | 2 lines
warning squash and cleanup ready for trunk merge
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r5375 | vince | 2008-09-19 14:58:43 +0100 (Fri, 19 Sep 2008) | 2 lines
Working mouse navigation
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r5377 | vince | 2008-09-20 14:06:22 +0100 (Sat, 20 Sep 2008) | 2 lines
Improve scrolling
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r5378 | vince | 2008-09-20 14:46:46 +0100 (Sat, 20 Sep 2008) | 2 lines
fix redraw issues with scrolling
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r5380 | vince | 2008-09-20 17:08:43 +0100 (Sat, 20 Sep 2008) | 3 lines
Alter panning to use its own flag so it doesnt cause invalid redraw
operations
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r5381 | vince | 2008-09-20 21:52:45 +0100 (Sat, 20 Sep 2008) | 2 lines
add dummy framebuffer
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r5383 | vince | 2008-09-21 00:00:15 +0100 (Sun, 21 Sep 2008) | 2 lines
fix segfault when cursor is off teh bottom of teh screen
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r5384 | vince | 2008-09-21 00:06:08 +0100 (Sun, 21 Sep 2008) | 2 lines
fix off by one in pointer fix
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r5385 | vince | 2008-09-21 00:25:09 +0100 (Sun, 21 Sep 2008) | 2 lines
when fixing bloody silly off by one errors remember to fix *both* references
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r5387 | vince | 2008-09-21 00:38:13 +0100 (Sun, 21 Sep 2008) | 2 lines
last try at stopping the pointer segfault
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r5388 | vince | 2008-09-21 16:24:18 +0100 (Sun, 21 Sep 2008) | 2 lines
improve vertical text clipping
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r5392 | vince | 2008-09-21 23:11:51 +0100 (Sun, 21 Sep 2008) | 2 lines
Improve text plotters
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r5393 | vince | 2008-09-21 23:34:38 +0100 (Sun, 21 Sep 2008) | 2 lines
fix 32bpp line plotting
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r5394 | vince | 2008-09-22 00:00:03 +0100 (Mon, 22 Sep 2008) | 2 lines
Fix off by one error in line plotting clipping
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r5397 | vince | 2008-09-22 13:46:22 +0100 (Mon, 22 Sep 2008) | 2 lines
Fix bitmap tileing
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r5398 | vince | 2008-09-22 17:46:02 +0100 (Mon, 22 Sep 2008) | 2 lines
enable knockout renderer
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r5399 | vince | 2008-09-22 18:43:48 +0100 (Mon, 22 Sep 2008) | 2 lines
ensure clipping region lies within window, caused by knockout renderer
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r5400 | vince | 2008-09-22 19:20:25 +0100 (Mon, 22 Sep 2008) | 2 lines
update cursor to one swiped from X windows
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r5405 | vince | 2008-09-23 09:09:05 +0100 (Tue, 23 Sep 2008) | 2 lines
fix vertical scroll limit
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r5412 | dsilvers | 2008-09-23 10:53:14 +0100 (Tue, 23 Sep 2008) | 1 line
Revert noisy fetcher patch
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r5413 | dsilvers | 2008-09-23 10:58:00 +0100 (Tue, 23 Sep 2008) | 1 line
Add header guards
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r5414 | dsilvers | 2008-09-23 11:31:31 +0100 (Tue, 23 Sep 2008) | 1 line
Tidy the region clipping slightly
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r5416 | dsilvers | 2008-09-23 12:05:00 +0100 (Tue, 23 Sep 2008) | 1 line
Rationalise how the framebuffer frontend finds resources and options
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r5418 | dsilvers | 2008-09-23 13:59:00 +0100 (Tue, 23 Sep 2008) | 1 line
Ensure options are overridden after load, and squash an fb_gui.c warning
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r5419 | dsilvers | 2008-09-23 14:20:07 +0100 (Tue, 23 Sep 2008) | 1 line
Support fb_mode and fb_device options
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r5420 | dsilvers | 2008-09-23 14:21:48 +0100 (Tue, 23 Sep 2008) | 1 line
Support option_fb_device in the able frontend
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r5421 | dsilvers | 2008-09-23 14:25:17 +0100 (Tue, 23 Sep 2008) | 1 line
Ensure target_blank is disabled
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r5422 | dsilvers | 2008-09-23 14:39:00 +0100 (Tue, 23 Sep 2008) | 1 line
Rework linux fb frontend to support scanning and opening all event devices for input
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svn path=/trunk/netsurf/; revision=5423
Diffstat (limited to 'framebuffer/fb_bitmap.c')
-rw-r--r-- | framebuffer/fb_bitmap.c | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/framebuffer/fb_bitmap.c b/framebuffer/fb_bitmap.c new file mode 100644 index 000000000..41860e4e2 --- /dev/null +++ b/framebuffer/fb_bitmap.c @@ -0,0 +1,242 @@ +/* + * 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 <inttypes.h> +#include <sys/types.h> + +#include "assert.h" +#include "image/bitmap.h" +#include "framebuffer/fb_bitmap.h" + +#include "utils/log.h" + +/** + * Create a bitmap. + * + * \param width width of image in pixels + * \param height width of image in pixels + * \param state a flag word indicating the initial state + * \return an opaque struct bitmap, or NULL on memory exhaustion + */ + +void *bitmap_create(int width, int height, unsigned int state) +{ + struct bitmap *bitmap; + + LOG(("width %d, height %d, state %u",width,height,state)); + + bitmap = calloc(1 , sizeof(struct bitmap)); + if (bitmap) { + bitmap->pixdata = calloc(4, width * height); + if (bitmap->pixdata != NULL) { + bitmap->width = width; + bitmap->height = height; + } else { + free(bitmap); + bitmap=NULL; + } + } + + LOG(("bitmap %p", bitmap)); + + return bitmap; +} + + +/** + * Return a pointer to the pixel data in a bitmap. + * + * \param bitmap a bitmap, as returned by bitmap_create() + * \return pointer to the pixel buffer + * + * The pixel data is packed as BITMAP_FORMAT, possibly with padding at the end + * of rows. The width of a row in bytes is given by bitmap_get_rowstride(). + */ + +unsigned char *bitmap_get_buffer(void *bitmap) +{ + struct bitmap *bm = bitmap; + + if (bitmap == NULL) { + LOG(("NULL bitmap!")); + return NULL; + } + + return bm->pixdata; +} + + +/** + * Find the width of a pixel row in bytes. + * + * \param bitmap a bitmap, as returned by bitmap_create() + * \return width of a pixel row in the bitmap + */ + +size_t bitmap_get_rowstride(void *bitmap) +{ + struct bitmap *bm = bitmap; + + if (bitmap == NULL) { + LOG(("NULL bitmap!")); + return 0; + } + + return (bm->width) * 4; +} + + +/** + * Free a bitmap. + * + * \param bitmap a bitmap, as returned by bitmap_create() + */ + +void bitmap_destroy(void *bitmap) +{ + struct bitmap *bm = bitmap; + + if (bitmap == NULL) { + LOG(("NULL bitmap!")); + return; + } + + free(bm->pixdata); + free(bm); +} + + +/** + * Save a bitmap in the platform's native format. + * + * \param bitmap a bitmap, as returned by bitmap_create() + * \param path pathname for file + * \return true on success, false on error and error reported + */ + +bool bitmap_save(void *bitmap, const char *path, unsigned flags) +{ + return true; +} + + +/** + * The bitmap image has changed, so flush any persistant cache. + * + * \param bitmap a bitmap, as returned by bitmap_create() + */ +void bitmap_modified(void *bitmap) { +} + + +/** + * The bitmap image can be suspended. + * + * \param bitmap a bitmap, as returned by bitmap_create() + * \param private_word a private word to be returned later + * \param suspend the function to be called upon suspension + * \param resume the function to be called when resuming + */ +void bitmap_set_suspendable(void *bitmap, void *private_word, + void (*invalidate)(void *bitmap, void *private_word)) { +} + +/** + * Sets whether a bitmap should be plotted opaque + * + * \param bitmap a bitmap, as returned by bitmap_create() + * \param opaque whether the bitmap should be plotted opaque + */ +void bitmap_set_opaque(void *bitmap, bool opaque) +{ + if (bitmap == NULL) { + LOG(("NULL bitmap!")); + return; + } + /* todo: set bitmap as opaque */ +} + + +/** + * Tests whether a bitmap has an opaque alpha channel + * + * \param bitmap a bitmap, as returned by bitmap_create() + * \return whether the bitmap is opaque + */ +bool bitmap_test_opaque(void *bitmap) +{ + if (bitmap == NULL) { + LOG(("NULL bitmap!")); + return false; + } + + /* todo: test if bitmap as opaque */ + return false; +} + + +/** + * Gets whether a bitmap should be plotted opaque + * + * \param bitmap a bitmap, as returned by bitmap_create() + */ +bool bitmap_get_opaque(void *bitmap) +{ + if (bitmap == NULL) { + LOG(("NULL bitmap!")); + return false; + } + +/* todo: get whether bitmap is opaque */ + return false; +} + +int bitmap_get_width(void *bitmap) +{ + struct bitmap *bm = bitmap; + + if (bitmap == NULL) { + LOG(("NULL bitmap!")); + return 0; + } + + return(bm->width); +} + +int bitmap_get_height(void *bitmap) +{ + struct bitmap *bm = bitmap; + + if (bitmap == NULL) { + LOG(("NULL bitmap!")); + return 0; + } + + return(bm->height); +} + +size_t bitmap_get_bpp(void *bitmap) +{ + return 4; +} + +/* + * Local Variables: + * c-basic-offset:8 + * End: + */ |