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/**************************************************************************
*
* Copyright 2009 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef VG_STATE_H
#define VG_STATE_H
#include "VG/openvg.h"
#include "api_consts.h"
#include "matrix.h"
struct vg_value
{
VGfloat f;
VGint i;
};
struct vg_state {
/* Mode settings */
VGMatrixMode matrix_mode;
VGFillRule fill_rule;
VGImageQuality image_quality;
VGRenderingQuality rendering_quality;
VGBlendMode blend_mode;
VGImageMode image_mode;
/* Scissoring rectangles */
struct vg_value scissor_rects[32*4];
VGint scissor_rects_num;
/* Color Transformation */
VGboolean color_transform;
VGfloat color_transform_values[8];
/* Stroke parameters */
struct {
struct vg_value line_width;
VGCapStyle cap_style;
VGJoinStyle join_style;
struct vg_value miter_limit;
struct vg_value dash_pattern[VEGA_MAX_DASH_COUNT];
VGint dash_pattern_num;
struct vg_value dash_phase;
VGboolean dash_phase_reset;
} stroke;
/* Edge fill color for VG_TILE_FILL tiling mode */
VGfloat tile_fill_color[4];
VGint tile_fill_colori[4];
/* Color for vgClear */
VGfloat clear_color[4];
VGint clear_colori[4];
/* Glyph origin */
struct vg_value glyph_origin[2];
/* Enable/disable alpha masking and scissoring */
VGboolean masking;
VGboolean scissoring;
/* Pixel layout information */
VGPixelLayout pixel_layout;
VGPixelLayout screen_layout;
/* Source format selection for image filters */
VGboolean filter_format_linear;
VGboolean filter_format_premultiplied;
/* Destination write enable mask for image filters */
VGbitfield filter_channel_mask;
struct matrix path_user_to_surface_matrix;
struct matrix image_user_to_surface_matrix;
struct matrix fill_paint_to_user_matrix;
struct matrix stroke_paint_to_user_matrix;
struct matrix glyph_user_to_surface_matrix;
struct vg_paint *stroke_paint;
struct vg_paint *fill_paint;
};
void vg_init_state(struct vg_state *state);
struct matrix * vg_state_matrix(struct vg_state *state);
#endif
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