forked from pyrite-dev/milsko
229 lines
7.7 KiB
C
229 lines
7.7 KiB
C
/*!
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* @file Mw/LowLevel/Cairo.h
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* @brief Cairo Backend
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* @warning This is used MEGA internally.
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*/
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#ifndef __MW_LOWLEVEL_CAIRO_H__
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#define __MW_LOWLEVEL_CAIRO_H__
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#include <Mw/MachDep.h>
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#include <Mw/TypeDefs.h>
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#include <Mw/LowLevel.h>
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#include <Mw/Abstract/Dynamic.h>
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#include <cairo/cairo.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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MWDECL int MwLLCairoCallInit(void);
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#ifdef __cplusplus
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}
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#endif
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#define CSD_BORDER_FRAME_LEFT 5
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#define CSD_BORDER_FRAME_RIGHT 5
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#define CSD_BORDER_FRAME_TOP 23
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#define CSD_BORDER_FRAME_BOTTOM 4
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typedef struct cairo_call_table {
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void* cairo_lib;
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void (*cairo_set_line_width)(cairo_t* cr,
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double width);
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void (*cairo_scale)(cairo_t* cr,
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double sx,
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double sy);
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cairo_t* (*cairo_create)(cairo_surface_t* target);
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void (*cairo_move_to)(cairo_t* cr,
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double x,
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double y);
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void (*cairo_rectangle)(cairo_t* cr,
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double x,
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double y,
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double width,
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double height);
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void (*cairo_new_path)(cairo_t* cr);
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void (*cairo_set_line_cap)(cairo_t* cr,
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cairo_line_cap_t line_cap);
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void (*cairo_set_source_rgba)(cairo_t* cr,
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double red,
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double green,
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double blue,
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double alpha);
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void (*cairo_set_source_rgb)(cairo_t* cr,
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double red,
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double green,
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double blue);
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void (*cairo_reset_clip)(cairo_t* cr);
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unsigned char* (*cairo_image_surface_get_data)(cairo_surface_t* surface);
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void (*cairo_line_to)(cairo_t* cr,
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double x,
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double y);
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cairo_status_t (*cairo_surface_write_to_png)(cairo_surface_t* surface, const char* filename);
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void (*cairo_surface_destroy)(cairo_surface_t* surface);
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cairo_surface_t* (*cairo_image_surface_create_for_data)(unsigned char* data,
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cairo_format_t format,
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int width,
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int height,
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int stride);
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cairo_surface_t* (*cairo_image_surface_create)(cairo_format_t format,
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int width,
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int height);
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void (*cairo_destroy)(cairo_t* cr);
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cairo_pattern_t* (*cairo_get_source)(cairo_t* cr);
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void (*cairo_close_path)(cairo_t* cr);
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void (*cairo_paint)(cairo_t* cr);
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void (*cairo_surface_flush)(cairo_surface_t* surface);
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void (*cairo_clip)(cairo_t* cr);
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void (*cairo_save)(cairo_t* cr);
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void (*cairo_restore)(cairo_t* cr);
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void (*cairo_surface_mark_dirty)(cairo_surface_t* surface);
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void (*cairo_stroke)(cairo_t* cr);
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void (*cairo_set_source_surface)(cairo_t* cr,
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cairo_surface_t* surface,
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double x,
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double y);
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void (*cairo_fill)(cairo_t* cr);
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void (*cairo_pattern_set_filter)(cairo_pattern_t* pattern,
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cairo_filter_t filter);
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void (*cairo_set_antialias)(cairo_t*, cairo_antialias_t);
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void (*cairo_set_operator)(cairo_t* cr, cairo_operator_t op);
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} cairo_call_table_t;
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extern cairo_call_table_t cairo_call_tbl;
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/* defined inline right here so that it doesn't conflict with the other macros */
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MwInline int cairo_load_funcs() {
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#ifdef __APPLE__
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cairo_call_tbl.cairo_lib = MwDynamicOpen("libcairo.dylib");
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#else
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cairo_call_tbl.cairo_lib = MwDynamicOpen("libcairo.so");
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#endif
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if(!cairo_call_tbl.cairo_lib) {
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printf("(libcairo not found, cannot use Wayland or Cairo backend.)\n");
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return 1;
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}
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#define CAIRO_FUNC(x) \
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cairo_call_tbl.x = MwDynamicSymbol(cairo_call_tbl.cairo_lib, #x); \
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if(!cairo_call_tbl.x) { \
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printf("WARNING: Could use Wayland/Cairo backend if " #x " was not found. Do you have libcairo?\n"); \
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return 1; \
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};
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CAIRO_FUNC(cairo_set_line_width);
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CAIRO_FUNC(cairo_scale);
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CAIRO_FUNC(cairo_create);
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CAIRO_FUNC(cairo_move_to);
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CAIRO_FUNC(cairo_rectangle);
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CAIRO_FUNC(cairo_new_path);
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CAIRO_FUNC(cairo_set_line_cap);
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CAIRO_FUNC(cairo_set_antialias);
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CAIRO_FUNC(cairo_set_source_rgba);
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CAIRO_FUNC(cairo_set_source_rgb);
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CAIRO_FUNC(cairo_reset_clip);
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CAIRO_FUNC(cairo_image_surface_get_data);
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CAIRO_FUNC(cairo_line_to);
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CAIRO_FUNC(cairo_surface_write_to_png);
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CAIRO_FUNC(cairo_surface_destroy);
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CAIRO_FUNC(cairo_image_surface_create_for_data);
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CAIRO_FUNC(cairo_image_surface_create);
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CAIRO_FUNC(cairo_destroy);
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CAIRO_FUNC(cairo_get_source);
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CAIRO_FUNC(cairo_close_path);
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CAIRO_FUNC(cairo_paint);
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CAIRO_FUNC(cairo_surface_flush);
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CAIRO_FUNC(cairo_clip);
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CAIRO_FUNC(cairo_save);
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CAIRO_FUNC(cairo_restore);
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CAIRO_FUNC(cairo_surface_mark_dirty);
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CAIRO_FUNC(cairo_stroke);
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CAIRO_FUNC(cairo_set_source_surface);
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CAIRO_FUNC(cairo_fill);
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CAIRO_FUNC(cairo_set_operator);
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CAIRO_FUNC(cairo_pattern_set_filter);
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#undef CAIRO_FUNC
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return 0;
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}
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#define cairo_set_line_width cairo_call_tbl.cairo_set_line_width
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#define cairo_scale cairo_call_tbl.cairo_scale
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#define cairo_create cairo_call_tbl.cairo_create
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#define cairo_move_to cairo_call_tbl.cairo_move_to
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#define cairo_rectangle cairo_call_tbl.cairo_rectangle
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#define cairo_new_path cairo_call_tbl.cairo_new_path
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#define cairo_set_line_cap cairo_call_tbl.cairo_set_line_cap
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#define cairo_set_antialias cairo_call_tbl.cairo_set_antialias
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#define cairo_set_source_rgba cairo_call_tbl.cairo_set_source_rgba
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#define cairo_set_source_rgb cairo_call_tbl.cairo_set_source_rgb
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#define cairo_reset_clip cairo_call_tbl.cairo_reset_clip
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#define cairo_image_surface_get_data cairo_call_tbl.cairo_image_surface_get_data
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#define cairo_line_to cairo_call_tbl.cairo_line_to
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#define cairo_surface_write_to_png cairo_call_tbl.cairo_surface_write_to_png
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#define cairo_surface_destroy cairo_call_tbl.cairo_surface_destroy
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#define cairo_image_surface_create_for_data cairo_call_tbl.cairo_image_surface_create_for_data
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#define cairo_image_surface_create cairo_call_tbl.cairo_image_surface_create
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#define cairo_destroy cairo_call_tbl.cairo_destroy
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#define cairo_get_source cairo_call_tbl.cairo_get_source
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#define cairo_close_path cairo_call_tbl.cairo_close_path
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#define cairo_paint cairo_call_tbl.cairo_paint
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#define cairo_surface_flush cairo_call_tbl.cairo_surface_flush
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#define cairo_clip cairo_call_tbl.cairo_clip
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#define cairo_save cairo_call_tbl.cairo_save
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#define cairo_restore cairo_call_tbl.cairo_restore
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#define cairo_surface_mark_dirty cairo_call_tbl.cairo_surface_mark_dirty
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#define cairo_stroke cairo_call_tbl.cairo_stroke
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#define cairo_set_source_surface cairo_call_tbl.cairo_set_source_surface
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#define cairo_fill cairo_call_tbl.cairo_fill
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#define cairo_set_operator cairo_call_tbl.cairo_set_operator
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#define cairo_pattern_set_filter cairo_call_tbl.cairo_pattern_set_filter
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struct _MwLLCairo {
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struct _MwLLCommon common;
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cairo_surface_t* front_cs;
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cairo_surface_t* back_cs;
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cairo_t* front_cairo;
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cairo_t* back_cairo;
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/* The cairo to actually use for draw operations. Typically is front_cairo, but wayland's MwLLBeginDraw can change this to the back_cairo so it can be used to draw window decorations. */
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cairo_t* selected_cairo;
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int x;
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int y;
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int width;
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int height;
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MwBool toplevel;
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MwLL parent;
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};
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struct _MwLLCairoColor {
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struct _MwLLCommonColor common;
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};
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struct _MwLLCairoPixmap {
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struct _MwLLCommonPixmap common;
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cairo_surface_t* cs;
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};
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void MwLLCairoFrontSetup(struct _MwLLCairo* cairo, MwU8* data, MwU32 width, MwU32 height);
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void MwLLCairoBackSetup(struct _MwLLCairo* cairo, MwU8* data, MwU32 width, MwU32 height);
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void MwLLCairoFrontDestroy(struct _MwLLCairo* cairo);
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void MwLLCairoBackDestroy(struct _MwLLCairo* cairo);
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void MwLLCairoPolygon(struct _MwLLCairo handle, MwPoint* points, int points_count, MwLLColor color);
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void MwLLCairoLine(struct _MwLLCairo handle, MwPoint* points, MwLLColor color);
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MwLLPixmap MwLLCairoCreatePixmap(struct _MwLLCairo handle, unsigned char* data, int width, int height);
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void MwLLCairoPixmapUpdate(MwLLPixmap handle);
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void MwLLCairoDestroyPixmap(MwLLPixmap pixmap);
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void MwLLCairoDrawPixmap(struct _MwLLCairo handle, MwRect* rect, MwLLPixmap pixmap);
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void MwLLCairoDestroy(struct _MwLLCairo handle);
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#endif
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