BeOS implementation of generic bitmaps. More...

#include <assert.h>
#include <sys/param.h>
#include <string.h>
#include <Bitmap.h>
#include <BitmapStream.h>
#include <File.h>
#include <GraphicsDefs.h>
#include <TranslatorFormats.h>
#include <TranslatorRoster.h>
#include <View.h>
#include <stdlib.h>
#include "utils/log.h"
#include "netsurf/plotters.h"
#include "netsurf/content_type.h"
#include "netsurf/browser_window.h"
#include "netsurf/bitmap.h"
#include "netsurf/content.h"
#include "beos/bitmap.h"
#include "beos/gui.h"
#include "beos/scaffolding.h"
#include "beos/plotters.h"

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Data Structures
struct	bitmap
	RISC OS wimp toolkit bitmap. More...

Macros
#define	__STDBOOL_H__ 1

#define	MIN_PRETILE_WIDTH 256

#define	MIN_PRETILE_HEIGHT 256

#define	FREE_TILE(XY) if (bitmap->pretile_##XY) delete (bitmap->pretile_##XY); bitmap->pretile_##XY = NULL

Functions
static void	nsbeos_rgba_to_bgra (void src, void dst, int width, int height, size_t rowstride)
	Convert to BeOS RGBA32_LITTLE (strictly BGRA) from NetSurf's favoured ABGR format. More...

static void *	bitmap_create (int width, int height, enum gui_bitmap_flags flags)
	Create a bitmap. More...

static void	bitmap_set_opaque (void *vbitmap, bool opaque)
	Sets whether a bitmap should be plotted opaque. More...

static bool	bitmap_get_opaque (void *vbitmap)
	Gets whether a bitmap should be plotted opaque. More...

static unsigned char *	bitmap_get_buffer (void *vbitmap)
	Return a pointer to the pixel data in a bitmap. More...

static size_t	bitmap_get_rowstride (void *vbitmap)
	Find the width of a pixel row in bytes. More...

static void	nsbeos_bitmap_free_pretiles (struct bitmap *bitmap)
	Free pretiles of a bitmap. More...

static void	bitmap_destroy (void *vbitmap)
	Free a bitmap. More...

void	bitmap_modified (void *vbitmap)
	The bitmap image has changed, so flush any persistant cache. More...

static int	bitmap_get_width (void *vbitmap)

static int	bitmap_get_height (void *vbitmap)

static BBitmap *	nsbeos_bitmap_generate_pretile (BBitmap *primary, int repeat_x, int repeat_y)

BBitmap *	nsbeos_bitmap_get_primary (struct bitmap *bitmap)
	The primary image associated with this bitmap object. More...

BBitmap *	nsbeos_bitmap_get_pretile_x (struct bitmap *bitmap)
	The X-pretiled image associated with this bitmap object. More...

BBitmap *	nsbeos_bitmap_get_pretile_y (struct bitmap *bitmap)
	The Y-pretiled image associated with this bitmap object. More...

BBitmap *	nsbeos_bitmap_get_pretile_xy (struct bitmap *bitmap)
	The XY-pretiled image associated with this bitmap object. More...

static nserror	bitmap_render (struct bitmap bitmap, hlcache_handle content)
	Create a thumbnail of a page. More...

Variables
static struct gui_bitmap_table	bitmap_table

struct gui_bitmap_table *	beos_bitmap_table = &bitmap_table

Detailed Description

BeOS implementation of generic bitmaps.

This implements the interface given by image/bitmap.h using BBitmap.

Definition in file bitmap.cpp.

Macro Definition Documentation

◆ __STDBOOL_H__

#define __STDBOOL_H__ 1

Definition at line 26 of file bitmap.cpp.

◆ FREE_TILE

#define FREE_TILE ( XY ) if (bitmap->pretile_##XY) delete (bitmap->pretile_##XY); bitmap->pretile_##XY = NULL

◆ MIN_PRETILE_HEIGHT

#define MIN_PRETILE_HEIGHT 256

Definition at line 64 of file bitmap.cpp.

◆ MIN_PRETILE_WIDTH

#define MIN_PRETILE_WIDTH 256

Definition at line 63 of file bitmap.cpp.

Function Documentation

◆ bitmap_create()

static void * bitmap_create	(	int	width,
		int	height,
		enum gui_bitmap_flags	flags
	)

static

Create a bitmap.

Parameters

width	width of image in pixels
height	height of image in pixels
bflags	flags for bitmap creation

Returns: an opaque struct bitmap, or NULL on memory exhaustion

Definition at line 121 of file bitmap.cpp.

References BITMAP_CLEAR, BITMAP_OPAQUE, height, bitmap::opaque, bitmap::pretile_x, bitmap::pretile_xy, bitmap::pretile_y, bitmap::primary, bitmap::shadow, and width.

◆ bitmap_destroy()

static void bitmap_destroy ( void * vbitmap )

static

Free a bitmap.

Parameters

vbitmap a bitmap, as returned by bitmap_create()

Definition at line 223 of file bitmap.cpp.

References nsbeos_bitmap_free_pretiles(), bitmap::primary, and bitmap::shadow.

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◆ bitmap_get_buffer()

static unsigned char * bitmap_get_buffer ( void * vbitmap )

static

Return a pointer to the pixel data in a bitmap.

Parameters

vbitmap a bitmap, as returned by bitmap_create()

Returns: 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().

Definition at line 181 of file bitmap.cpp.

References bitmap::shadow.

◆ bitmap_get_height()

static int bitmap_get_height ( void * vbitmap )

static

Definition at line 258 of file bitmap.cpp.

References bitmap::primary.

◆ bitmap_get_opaque()

static bool bitmap_get_opaque ( void * vbitmap )

static

Gets whether a bitmap should be plotted opaque.

Parameters

vbitmap a bitmap, as returned by bitmap_create()

Definition at line 163 of file bitmap.cpp.

References bitmap::opaque.

◆ bitmap_get_rowstride()

static size_t bitmap_get_rowstride ( void * vbitmap )

static

Find the width of a pixel row in bytes.

Parameters

vbitmap a bitmap, as returned by bitmap_create()

Returns: width of a pixel row in the bitmap

Definition at line 195 of file bitmap.cpp.

References bitmap::primary.

◆ bitmap_get_width()

static int bitmap_get_width ( void * vbitmap )

static

Definition at line 251 of file bitmap.cpp.

References bitmap::primary.

◆ bitmap_modified()

void bitmap_modified ( void * vbitmap )

The bitmap image has changed, so flush any persistant cache.

Parameters

vbitmap a bitmap, as returned by bitmap_create()

Definition at line 239 of file bitmap.cpp.

References nsbeos_bitmap_free_pretiles(), nsbeos_rgba_to_bgra(), bitmap::primary, and bitmap::shadow.

Referenced by bitmap_render().

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◆ bitmap_render()

static nserror bitmap_render	(	struct bitmap *	bitmap,
		hlcache_handle *	content
	)

static

Create a thumbnail of a page.

Parameters

bitmap	the bitmap to draw to
content	content structure to thumbnail

Returns: true on success and bitmap updated else false

Definition at line 379 of file bitmap.cpp.

References redraw_context::background_images, bitmap_modified(), content_get_width(), content_scaled_redraw(), height, redraw_context::interactive, MIN, nsbeos_bitmap_get_primary(), nsbeos_current_gc(), nsbeos_current_gc_set(), nsbeos_plotters, NSERROR_NOMEM, NSERROR_OK, redraw_context::plot, view, and width.

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◆ bitmap_set_opaque()

static void bitmap_set_opaque	(	void *	vbitmap,
		bool	opaque
	)

static

Sets whether a bitmap should be plotted opaque.

Parameters

vbitmap	a bitmap, as returned by bitmap_create()
opaque	whether the bitmap should be plotted opaque

Definition at line 150 of file bitmap.cpp.

References bitmap::opaque.

◆ nsbeos_bitmap_free_pretiles()

static void nsbeos_bitmap_free_pretiles ( struct bitmap * bitmap )

static

Free pretiles of a bitmap.

Parameters

bitmap The bitmap to free the pretiles of.

Definition at line 208 of file bitmap.cpp.

References FREE_TILE.

Referenced by bitmap_destroy(), and bitmap_modified().

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◆ nsbeos_bitmap_generate_pretile()

static BBitmap * nsbeos_bitmap_generate_pretile	(	BBitmap *	primary,
		int	repeat_x,
		int	repeat_y
	)

static

Definition at line 266 of file bitmap.cpp.

References height, bitmap::primary, result, and width.

Referenced by nsbeos_bitmap_get_pretile_x(), nsbeos_bitmap_get_pretile_xy(), and nsbeos_bitmap_get_pretile_y().

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◆ nsbeos_bitmap_get_pretile_x()

BBitmap * nsbeos_bitmap_get_pretile_x ( struct bitmap * bitmap )

The X-pretiled image associated with this bitmap object.

Parameters

bitmap a bitmap, as returned by bitmap_create()

Definition at line 320 of file bitmap.cpp.

References MIN_PRETILE_WIDTH, nsbeos_bitmap_generate_pretile(), NSLOG, bitmap::pretile_x, bitmap::primary, and width.

Referenced by nsbeos_plot_bitmap().

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◆ nsbeos_bitmap_get_pretile_xy()

BBitmap * nsbeos_bitmap_get_pretile_xy ( struct bitmap * bitmap )

The XY-pretiled image associated with this bitmap object.

Parameters

bitmap a bitmap, as returned by bitmap_create()

Definition at line 357 of file bitmap.cpp.

References height, MIN_PRETILE_HEIGHT, MIN_PRETILE_WIDTH, nsbeos_bitmap_generate_pretile(), NSLOG, bitmap::pretile_xy, bitmap::primary, and width.

Referenced by nsbeos_plot_bitmap().

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◆ nsbeos_bitmap_get_pretile_y()

BBitmap * nsbeos_bitmap_get_pretile_y ( struct bitmap * bitmap )

The Y-pretiled image associated with this bitmap object.

Parameters

bitmap a bitmap, as returned by bitmap_create()

Definition at line 339 of file bitmap.cpp.

References height, MIN_PRETILE_HEIGHT, nsbeos_bitmap_generate_pretile(), NSLOG, bitmap::pretile_y, and bitmap::primary.

Referenced by nsbeos_plot_bitmap().

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◆ nsbeos_bitmap_get_primary()

BBitmap * nsbeos_bitmap_get_primary ( struct bitmap * bitmap )

The primary image associated with this bitmap object.

Parameters

bitmap a bitmap, as returned by bitmap_create()

Definition at line 308 of file bitmap.cpp.

References bitmap::primary.

Referenced by bitmap_render(), gui_window_set_icon(), and nsbeos_plot_bitmap().

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◆ nsbeos_rgba_to_bgra()

static void nsbeos_rgba_to_bgra	(	void *	src,
		void *	dst,
		int	width,
		int	height,
		size_t	rowstride
	)

inlinestatic

Convert to BeOS RGBA32_LITTLE (strictly BGRA) from NetSurf's favoured ABGR format.

Copies the converted data elsewhere. Operation is rotate left 8 bits.

Parameters

src	Source 32-bit pixels arranged in ABGR order.
dst	Output data in BGRA order.
width	Width of the bitmap
height	Height of the bitmap
rowstride	Number of bytes to skip after each row (this implementation requires this to be a multiple of 4.)

Definition at line 82 of file bitmap.cpp.

References from, height, to, and width.

Referenced by bitmap_modified().

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Variable Documentation

◆ beos_bitmap_table

struct gui_bitmap_table* beos_bitmap_table = &bitmap_table

Definition at line 499 of file bitmap.cpp.

Referenced by gui_init_replicant(), and main().

◆ bitmap_table

struct gui_bitmap_table bitmap_table

static

Initial value:

= {
         bitmap_create,
         bitmap_destroy,
         bitmap_set_opaque,
         bitmap_get_opaque,
         bitmap_get_buffer,
         bitmap_get_rowstride,
         bitmap_get_width,
         bitmap_get_height,
         bitmap_modified,
         bitmap_render,
}

Definition at line 486 of file bitmap.cpp.

Data Structures

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ __STDBOOL_H__

◆ FREE_TILE

◆ MIN_PRETILE_HEIGHT

◆ MIN_PRETILE_WIDTH

Function Documentation

◆ bitmap_create()

◆ bitmap_destroy()

◆ bitmap_get_buffer()

◆ bitmap_get_height()

◆ bitmap_get_opaque()

◆ bitmap_get_rowstride()

◆ bitmap_get_width()

◆ bitmap_modified()

◆ bitmap_render()

◆ bitmap_set_opaque()

◆ nsbeos_bitmap_free_pretiles()

◆ nsbeos_bitmap_generate_pretile()

◆ nsbeos_bitmap_get_pretile_x()

◆ nsbeos_bitmap_get_pretile_xy()

◆ nsbeos_bitmap_get_pretile_y()

◆ nsbeos_bitmap_get_primary()

◆ nsbeos_rgba_to_bgra()

Variable Documentation

◆ beos_bitmap_table

◆ bitmap_table