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/openvg.h" 28544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 29544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin#include "vg_context.h" 30544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 31544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin#include "matrix.h" 3275143ef05576ee9f25ee176bc28c3c4d03705bf5Chia-I Wu#include "api.h" 33544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 3475143ef05576ee9f25ee176bc28c3c4d03705bf5Chia-I Wuvoid vegaLoadIdentity(void) 35544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 36544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin struct vg_context *ctx = vg_current_context(); 37544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin struct matrix *mat = vg_state_matrix(&ctx->state.vg); 38544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin matrix_load_identity(mat); 39544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 40544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 4175143ef05576ee9f25ee176bc28c3c4d03705bf5Chia-I Wuvoid vegaLoadMatrix(const VGfloat * m) 42544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 43544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin struct vg_context *ctx = vg_current_context(); 44544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin struct matrix *mat; 45544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 46544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin if (!ctx) 47544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return; 48544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 49544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin if (!m || !is_aligned(m)) { 50544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR); 51544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return; 52544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin } 53544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 54544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin mat = vg_state_matrix(&ctx->state.vg); 55544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin matrix_init(mat, m); 56544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin if (!matrix_is_affine(mat)) { 57544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin if (ctx->state.vg.matrix_mode != VG_MATRIX_IMAGE_USER_TO_SURFACE) { 58544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin matrix_make_affine(mat); 59544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin } 60544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin } 61544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 62544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 6375143ef05576ee9f25ee176bc28c3c4d03705bf5Chia-I Wuvoid vegaGetMatrix(VGfloat * m) 64544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 65544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin struct vg_context *ctx = vg_current_context(); 66544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin struct matrix *mat; 67544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 68544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin if (!ctx) 69544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return; 70544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 71544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin if (!m || !is_aligned(m)) { 72544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR); 73544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return; 74544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin } 75544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 76544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin mat = vg_state_matrix(&ctx->state.vg); 77544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin memcpy(m, mat->m, sizeof(VGfloat)*9); 78544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 79544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 8075143ef05576ee9f25ee176bc28c3c4d03705bf5Chia-I Wuvoid vegaMultMatrix(const VGfloat * m) 81544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 82544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin struct vg_context *ctx = vg_current_context(); 83544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin struct matrix *dst, src; 84544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 85544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin if (!ctx) 86544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return; 87544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 88544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin if (!m || !is_aligned(m)) { 89544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR); 90544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return; 91544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin } 92544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin matrix_init(&src, m); 93544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin dst = vg_state_matrix(&ctx->state.vg); 94544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin if (!matrix_is_affine(&src)) { 95544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin if (ctx->state.vg.matrix_mode != VG_MATRIX_IMAGE_USER_TO_SURFACE) { 96544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin matrix_make_affine(&src); 97544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin } 98544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin } 99544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin matrix_mult(dst, &src); 100544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 101544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 102544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 10375143ef05576ee9f25ee176bc28c3c4d03705bf5Chia-I Wuvoid vegaTranslate(VGfloat tx, VGfloat ty) 104544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 105544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin struct vg_context *ctx = vg_current_context(); 106544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin struct matrix *dst = vg_state_matrix(&ctx->state.vg); 107544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin matrix_translate(dst, tx, ty); 108544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 109544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 11075143ef05576ee9f25ee176bc28c3c4d03705bf5Chia-I Wuvoid vegaScale(VGfloat sx, VGfloat sy) 111544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 112544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin struct vg_context *ctx = vg_current_context(); 113544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin struct matrix *dst = vg_state_matrix(&ctx->state.vg); 114544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin matrix_scale(dst, sx, sy); 115544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 116544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 11775143ef05576ee9f25ee176bc28c3c4d03705bf5Chia-I Wuvoid vegaShear(VGfloat shx, VGfloat shy) 118544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 119544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin struct vg_context *ctx = vg_current_context(); 120544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin struct matrix *dst = vg_state_matrix(&ctx->state.vg); 121544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin matrix_shear(dst, shx, shy); 122544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 123544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 12475143ef05576ee9f25ee176bc28c3c4d03705bf5Chia-I Wuvoid vegaRotate(VGfloat angle) 125544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 126544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin struct vg_context *ctx = vg_current_context(); 127544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin struct matrix *dst = vg_state_matrix(&ctx->state.vg); 128544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin matrix_rotate(dst, angle); 129544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 130