mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-26 22:09:43 +03:00
294 lines
9.3 KiB
C
294 lines
9.3 KiB
C
/*
|
|
* Copyright 2010 Ole Loots <ole@monochrom.net>
|
|
*
|
|
* 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/>.
|
|
*/
|
|
#ifndef _GEM_PLOTTER_API_H_
|
|
#define _GEM_PLOTTER_API_H_
|
|
#include <windom.h>
|
|
|
|
|
|
|
|
#ifndef ceilf
|
|
#define ceilf(x) (float)ceil((double)x)
|
|
#endif
|
|
|
|
#ifdef TEST_PLOTTER
|
|
#define verbose_log 1
|
|
#define LOG(x) do { if (verbose_log) (printf(__FILE__ " %s %i: ", __PRETTY_FUNCTION__, __LINE__), printf x, fputc('\n', stdout)); } while (0)
|
|
#endif
|
|
|
|
#define MAX_FRAMEBUFS 0x010
|
|
#define C2P (1<<0) /* C2P convert buffer 1 to buffer 2 */
|
|
/* TODO: implement offscreen buffer switch */
|
|
/* Plotter Flags: */
|
|
#define PLOT_FLAG_OFFSCREEN 0x01
|
|
#define PLOT_FLAG_LOCKED 0x02
|
|
#define PLOT_FLAG_DITHER 0x04
|
|
#define PLOT_FLAG_TRANS 0x08
|
|
|
|
/* Error codes: */
|
|
#define ERR_BUFFERSIZE_EXCEEDS_SCREEN 1
|
|
#define ERR_NO_MEM 2
|
|
#define ERR_PLOTTER_NOT_AVAILABLE 3
|
|
|
|
static const char * plot_error_codes[] =
|
|
{
|
|
"None",
|
|
"ERR_BUFFERSIZE_EXCEEDS_SCREEN",
|
|
"ERR_NO_MEM",
|
|
"ERR_PLOTTER_NOT_AVAILABLE"
|
|
};
|
|
|
|
/* Grapics & Font Plotter Objects: */
|
|
typedef struct s_font_plotter * FONT_PLOTTER;
|
|
typedef struct s_gem_plotter * GEM_PLOTTER;
|
|
typedef struct s_font_plotter * GEM_FONT_PLOTTER; /* for public use ... */
|
|
struct s_font_plotter
|
|
{
|
|
char * name;
|
|
int flags;
|
|
int vdi_handle;
|
|
void * priv_data;
|
|
GEM_PLOTTER plotter;
|
|
|
|
bool (*str_width)(FONT_PLOTTER self, const plot_font_style_t *fstyle,
|
|
const char * str, size_t length, int * width);
|
|
bool (*str_split)(FONT_PLOTTER self, const plot_font_style_t *fstyle,
|
|
const char *string, size_t length,
|
|
int x, size_t *char_offset, int *actual_x);
|
|
bool (*pixel_position)(FONT_PLOTTER self, const plot_font_style_t *fstyle,
|
|
const char *string, size_t length,
|
|
int x, size_t *char_offset, int *actual_x);
|
|
void (*text)(FONT_PLOTTER self, int x, int y, const char *text, size_t length, const plot_font_style_t *fstyle);
|
|
void (*dtor)(FONT_PLOTTER self );
|
|
};
|
|
|
|
|
|
struct s_clipping {
|
|
short x0;
|
|
short y0;
|
|
short x1;
|
|
short y1;
|
|
};
|
|
|
|
struct s_vdi_sysinfo {
|
|
short vdi_handle; /* vdi handle */
|
|
short scr_w; /* resolution horz. */
|
|
short scr_h; /* resolution vert. */
|
|
short scr_bpp; /* bits per pixel */
|
|
int colors; /* 0=hiclor, 2=mono */
|
|
unsigned long hicolors; /* if colors = 0 */
|
|
short pixelsize; /* bytes per pixel */
|
|
unsigned short pitch; /* row pitch */
|
|
unsigned short vdiformat; /* pixel format */
|
|
unsigned short clut; /* type of clut support */
|
|
void * screen; /* pointer to screen, or NULL */
|
|
unsigned long screensize; /* size of screen (in bytes) */
|
|
unsigned long mask_r; /* color masks */
|
|
unsigned long mask_g;
|
|
unsigned long mask_b;
|
|
unsigned long mask_a;
|
|
short maxintin; /* maximum pxy items */
|
|
short maxpolycoords; /* max coords for p_line etc. */
|
|
unsigned long EdDiVersion; /* EdDi Version or 0 */
|
|
bool rasterscale; /* raster scaling support */
|
|
};
|
|
|
|
|
|
|
|
struct s_frame_buf
|
|
{
|
|
short x;
|
|
short y;
|
|
short w;
|
|
short h;
|
|
short vis_x; /* visible rectangle of the screen buffer */
|
|
short vis_y; /* coords are relative to framebuffer location */
|
|
short vis_w;
|
|
short vis_h;
|
|
int size;
|
|
bool swapped;
|
|
void * mem;
|
|
};
|
|
|
|
|
|
struct s_gem_plotter
|
|
{
|
|
char * name; /* name that identifies the Plotter */
|
|
unsigned long flags;
|
|
int vdi_handle;
|
|
struct s_vdi_sysinfo * scr;
|
|
void * priv_data;
|
|
int bpp_virt; /* bit depth of framebuffer */
|
|
struct s_clipping clipping;
|
|
struct s_frame_buf fbuf[MAX_FRAMEBUFS];
|
|
int cfbi; /* current framebuffer index */
|
|
|
|
FONT_PLOTTER font_plotter;
|
|
int (*dtor)(GEM_PLOTTER self);
|
|
int (*resize)(GEM_PLOTTER self, int w, int h);
|
|
int (*move)(GEM_PLOTTER self, short x, short y );
|
|
void * (*lock)(GEM_PLOTTER self);
|
|
void * (*create_framebuffer)(GEM_PLOTTER self);
|
|
void * (*switch_to_framebuffer)(GEM_PLOTTER self);
|
|
int (*unlock)(GEM_PLOTTER self);
|
|
int (*update_region)(GEM_PLOTTER self, GRECT region);
|
|
int (*update_screen_region)( GEM_PLOTTER self, GRECT region );
|
|
int (*update_screen)(GEM_PLOTTER self);
|
|
int (*put_pixel)(GEM_PLOTTER self, int x, int y, int color );
|
|
int (*copy_rect)(GEM_PLOTTER self, GRECT src, GRECT dst );
|
|
int (*clip)(GEM_PLOTTER self, int x0, int y0, int x1, int y1);
|
|
int (*arc)(GEM_PLOTTER self, int x, int y, int radius, int angle1, int angle2, const plot_style_t * pstyle);
|
|
int (*disc)(GEM_PLOTTER self, int x, int y, int radius, const plot_style_t * pstyle);
|
|
int (*line)(GEM_PLOTTER self, int x0, int y0, int x1, int y1, const plot_style_t * pstyle);
|
|
int (*rectangle)(GEM_PLOTTER self, int x0, int y0, int x1, int y1, const plot_style_t * pstyle);
|
|
int (*polygon)(GEM_PLOTTER self, const int *p, unsigned int n, const plot_style_t * pstyle);
|
|
int (*path)(GEM_PLOTTER self, const float *p, unsigned int n, int fill, float width, int c, const float transform[6]);
|
|
int (*bitmap_resize) ( GEM_PLOTTER self, struct bitmap * bm, int nw, int nh );
|
|
int (*bitmap)(GEM_PLOTTER self, struct bitmap * bmp, int x, int y,
|
|
unsigned long bg, unsigned long flags );
|
|
int (*text)(GEM_PLOTTER self, int x, int y, const char *text, size_t length, const plot_font_style_t *fstyle);
|
|
};
|
|
|
|
|
|
struct s_driver_table_entry
|
|
{
|
|
char * name;
|
|
int (*ctor)( GEM_PLOTTER self );
|
|
int flags;
|
|
int max_bpp;
|
|
};
|
|
|
|
struct s_font_driver_table_entry
|
|
{
|
|
char * name;
|
|
int (*ctor)( FONT_PLOTTER self );
|
|
int flags;
|
|
};
|
|
|
|
typedef struct s_driver_table_entry * PLOTTER_INFO;
|
|
typedef struct s_font_driver_table_entry * FONT_PLOTTER_INFO;
|
|
|
|
/* get index to driver in driver list by name */
|
|
static int drvrname_idx( char * name );
|
|
|
|
/* get s_driver_table_entry from driver table */
|
|
struct s_driver_table_entry * get_screen_driver_entry(char * name);
|
|
|
|
/* get s_font_driver_table_entry from driver table */
|
|
struct s_font_driver_table_entry * get_font_driver_entry(char * name);
|
|
|
|
/* fill screen / sys info */
|
|
struct s_vdi_sysinfo * read_vdi_sysinfo(short vdih, struct s_vdi_sysinfo * info );
|
|
|
|
/*
|
|
Create an new plotter object
|
|
Error Values:
|
|
-1 no mem
|
|
-2 error configuring plotter
|
|
-3 Plotter not available
|
|
*/
|
|
GEM_PLOTTER new_plotter(int vdihandle, char * name,
|
|
GRECT *, int virt_bpp, unsigned long flags, FONT_PLOTTER font_renderer,
|
|
int * error);
|
|
|
|
/*
|
|
Create an new font plotter object
|
|
Error Values:
|
|
-1 no mem
|
|
-2 error configuring font plotter
|
|
-3 Font Plotter not available
|
|
*/
|
|
FONT_PLOTTER new_font_plotter(int vdihandle, char * name, unsigned long flags, int * error );
|
|
|
|
/* free the plotter resources */
|
|
int delete_plotter( GEM_PLOTTER p );
|
|
int delete_font_plotter( FONT_PLOTTER p );
|
|
|
|
|
|
/* calculate size of intermediate buffer */
|
|
int calc_chunked_buffer_size(int x, int y, int stride, int bpp);
|
|
|
|
/* calculates the pixel offset from x,y pos */
|
|
int get_pixel_offset( int x, int y, int stride, int bpp );
|
|
|
|
/* Recalculate visible parts of the framebuffer */
|
|
void update_visible_rect( GEM_PLOTTER p );
|
|
|
|
/* resolve possible visible parts of the framebuffer in screen coords */
|
|
bool fbrect_to_screen( GEM_PLOTTER self, GRECT box, GRECT * ret );
|
|
|
|
/* translate an error number */
|
|
const char* plotter_err_str(int i) ;
|
|
|
|
void dump_font_drivers(void);
|
|
void dump_plot_drivers(void);
|
|
void dump_vdi_info(short);
|
|
|
|
/* convert an rgb color to vdi1000 color */
|
|
void rgb_to_vdi1000( unsigned char * in, unsigned short * out );
|
|
|
|
/* convert an rgb color to an index into the web palette */
|
|
short rgb_to_666_index(unsigned char r, unsigned char g, unsigned char b);
|
|
|
|
/* shared / static methods ... */
|
|
int plotter_get_clip( GEM_PLOTTER self, struct s_clipping * out );
|
|
int plotter_std_clip(GEM_PLOTTER self,int x0, int y0, int x1, int y1);
|
|
void plotter_vdi_clip( GEM_PLOTTER self, bool set);
|
|
|
|
#define PLOTTER_IS_LOCKED(plotter) ( plotter->private_flags & PLOTTER_FLAG_LOCKED )
|
|
#define FILL_PLOTTER_VTAB( p ) \
|
|
p->dtor = dtor;\
|
|
p->resize= resize;\
|
|
p->move = move;\
|
|
p->lock = lock;\
|
|
p->unlock = unlock;\
|
|
p->update_region = update_region;\
|
|
p->update_screen_region = update_screen_region;\
|
|
p->update_screen = update_screen;\
|
|
p->put_pixel = put_pixel;\
|
|
p->copy_rect = copy_rect; \
|
|
p->clip = clip;\
|
|
p->arc = arc;\
|
|
p->disc = disc;\
|
|
p->line = line;\
|
|
p->rectangle = rectangle;\
|
|
p->polygon = polygon;\
|
|
p->path = path;\
|
|
p->bitmap = bitmap;\
|
|
p->text = text;\
|
|
|
|
|
|
#define FILL_FONT_PLOTTER_VTAB( p ) \
|
|
p->dtor = dtor;\
|
|
p->str_width = str_width;\
|
|
p->str_split = str_split;\
|
|
p->pixel_position = pixel_position;\
|
|
p->text = text;\
|
|
|
|
#define CURFB( p ) \
|
|
p->fbuf[p->cfbi]
|
|
|
|
#define FIRSTFB( p ) \
|
|
p->fbuf[0]
|
|
|
|
#define OFFSET_WEB_PAL 16
|
|
#define OFFSET_FONT_PAL 232
|
|
#define RGB_TO_VDI(c) rgb_to_666_index( (c&0xFF),(c&0xFF00)>>8,(c&0xFF0000)>>16)+OFFSET_WEB_PAL
|
|
#define ABGR_TO_RGB(c) ( ((c&0xFF)<<16) | (c&0xFF00) | ((c&0xFF0000)>>16) ) << 8
|
|
|
|
#endif
|