1 /************************************************************************** 2 * 3 * Copyright 2009 VMware, Inc. All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sub license, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial portions 15 * of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 20 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 **************************************************************************/ 26 27 #ifndef VG_STATE_H 28 #define VG_STATE_H 29 30 #include "VG/openvg.h" 31 32 #include "api_consts.h" 33 #include "matrix.h" 34 35 struct vg_value 36 { 37 VGfloat f; 38 VGint i; 39 }; 40 41 struct vg_state { 42 /* Mode settings */ 43 VGMatrixMode matrix_mode; 44 VGFillRule fill_rule; 45 VGImageQuality image_quality; 46 VGRenderingQuality rendering_quality; 47 VGBlendMode blend_mode; 48 VGImageMode image_mode; 49 50 /* Scissoring rectangles */ 51 struct vg_value scissor_rects[32*4]; 52 VGint scissor_rects_num; 53 54 /* Color Transformation */ 55 VGboolean color_transform; 56 VGfloat color_transform_values[8]; 57 58 /* Stroke parameters */ 59 struct { 60 struct vg_value line_width; 61 VGCapStyle cap_style; 62 VGJoinStyle join_style; 63 struct vg_value miter_limit; 64 struct vg_value dash_pattern[VEGA_MAX_DASH_COUNT]; 65 VGint dash_pattern_num; 66 struct vg_value dash_phase; 67 VGboolean dash_phase_reset; 68 } stroke; 69 70 /* Edge fill color for VG_TILE_FILL tiling mode */ 71 VGfloat tile_fill_color[4]; 72 VGint tile_fill_colori[4]; 73 74 /* Color for vgClear */ 75 VGfloat clear_color[4]; 76 VGint clear_colori[4]; 77 78 /* Glyph origin */ 79 struct vg_value glyph_origin[2]; 80 81 /* Enable/disable alpha masking and scissoring */ 82 VGboolean masking; 83 VGboolean scissoring; 84 85 /* Pixel layout information */ 86 VGPixelLayout pixel_layout; 87 VGPixelLayout screen_layout; 88 89 /* Source format selection for image filters */ 90 VGboolean filter_format_linear; 91 VGboolean filter_format_premultiplied; 92 93 /* Destination write enable mask for image filters */ 94 VGbitfield filter_channel_mask; 95 96 struct matrix path_user_to_surface_matrix; 97 struct matrix image_user_to_surface_matrix; 98 struct matrix fill_paint_to_user_matrix; 99 struct matrix stroke_paint_to_user_matrix; 100 struct matrix glyph_user_to_surface_matrix; 101 102 struct vg_paint *stroke_paint; 103 struct vg_paint *fill_paint; 104 }; 105 106 void vg_init_state(struct vg_state *state); 107 struct matrix * vg_state_matrix(struct vg_state *state); 108 109 #endif 110