1544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin/************************************************************************** 2544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * 3544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * Copyright 2009 VMware, Inc. All Rights Reserved. 4544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * 5544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * Permission is hereby granted, free of charge, to any person obtaining a 6544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * copy of this software and associated documentation files (the 7544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * "Software"), to deal in the Software without restriction, including 8544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * without limitation the rights to use, copy, modify, merge, publish, 9544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * distribute, sub license, and/or sell copies of the Software, and to 10544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * permit persons to whom the Software is furnished to do so, subject to 11544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * the following conditions: 12544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * 13544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * The above copyright notice and this permission notice (including the 14544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * next paragraph) shall be included in all copies or substantial portions 15544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * of the Software. 16544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * 17544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 20544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 21544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 22544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 23544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * 25544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin **************************************************************************/ 26544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 27544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin#include "vg_state.h" 28544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 29544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin#include <string.h> 30544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 31544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusinvoid vg_init_state(struct vg_state *state) 32544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 33544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->matrix_mode = VG_MATRIX_PATH_USER_TO_SURFACE; 34544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->fill_rule = VG_EVEN_ODD; 35544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->image_quality = VG_IMAGE_QUALITY_FASTER; 36544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->rendering_quality = VG_RENDERING_QUALITY_BETTER; 37544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->blend_mode = VG_BLEND_SRC_OVER; 38544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->image_mode = VG_DRAW_IMAGE_NORMAL; 39544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 40544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin memset(state->scissor_rects, 0, sizeof(state->scissor_rects)); 41544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->scissor_rects_num = 0; 42544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 43544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->color_transform = VG_FALSE; 44544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->color_transform_values[0] = 1.0f; 45544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->color_transform_values[1] = 1.0f; 46544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->color_transform_values[2] = 1.0f; 47544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->color_transform_values[3] = 1.0f; 48544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->color_transform_values[4] = 0.0f; 49544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->color_transform_values[5] = 0.0f; 50544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->color_transform_values[6] = 0.0f; 51544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->color_transform_values[7] = 0.0f; 52544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 53544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin /* Stroke parameters */ 54544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->stroke.line_width.f = 1.0f; 55544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->stroke.line_width.i = 1; 56544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->stroke.cap_style = VG_CAP_BUTT; 57544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->stroke.join_style = VG_JOIN_MITER; 58544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->stroke.miter_limit.f = 4.0f; 59544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->stroke.miter_limit.i = 4; 60544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->stroke.dash_pattern_num = 0; 61544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->stroke.dash_phase.f = 0.0f; 62544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->stroke.dash_phase.i = 0; 63544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->stroke.dash_phase_reset = VG_FALSE; 64544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 65544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin /* Edge fill color for VG_TILE_FILL tiling mode */ 66544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->tile_fill_color[0] = 0.0f; 67544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->tile_fill_color[1] = 0.0f; 68544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->tile_fill_color[2] = 0.0f; 69544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->tile_fill_color[3] = 0.0f; 70544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 71544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin /* Color for vgClear */ 72544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->clear_color[0] = 0.0f; 73544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->clear_color[1] = 0.0f; 74544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->clear_color[2] = 0.0f; 75544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->clear_color[3] = 0.0f; 76544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 77544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin /* Glyph origin */ 78544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->glyph_origin[0].f = 0.0f; 79544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->glyph_origin[1].f = 0.0f; 80544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->glyph_origin[0].i = 0; 81544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->glyph_origin[1].i = 0; 82544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 83544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin /* Enable/disable alpha masking and scissoring */ 84544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->masking = VG_FALSE; 85544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->scissoring = VG_FALSE; 86544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 87544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin /* Pixel layout information */ 88544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->pixel_layout = VG_PIXEL_LAYOUT_UNKNOWN; 89544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->screen_layout = VG_PIXEL_LAYOUT_UNKNOWN; 90544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 91544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin /* Source format selection for image filters */ 92544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->filter_format_linear = VG_FALSE; 93544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->filter_format_premultiplied = VG_FALSE; 94544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 95544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin /* Destination write enable mask for image filters */ 96544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin state->filter_channel_mask = (VG_RED | VG_GREEN | VG_BLUE | VG_ALPHA); 97544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 98544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin matrix_load_identity(&state->path_user_to_surface_matrix); 99544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin matrix_load_identity(&state->image_user_to_surface_matrix); 100544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin matrix_load_identity(&state->fill_paint_to_user_matrix); 101544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin matrix_load_identity(&state->stroke_paint_to_user_matrix); 102544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin matrix_load_identity(&state->glyph_user_to_surface_matrix); 103544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 104544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 105544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusinstruct matrix *vg_state_matrix(struct vg_state *state) 106544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 107544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin switch(state->matrix_mode) { 108544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_MATRIX_PATH_USER_TO_SURFACE: 109544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return &state->path_user_to_surface_matrix; 110544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_MATRIX_IMAGE_USER_TO_SURFACE: 111544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return &state->image_user_to_surface_matrix; 112544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_MATRIX_FILL_PAINT_TO_USER: 113544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return &state->fill_paint_to_user_matrix; 114544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_MATRIX_STROKE_PAINT_TO_USER: 115544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return &state->stroke_paint_to_user_matrix; 116544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin#ifdef OPENVG_VERSION_1_1 117544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_MATRIX_GLYPH_USER_TO_SURFACE: 118544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return &state->glyph_user_to_surface_matrix; 119544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin#endif 120544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin default: 121544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin break; 122544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin } 123544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return NULL; 124544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 125