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| Rev | Author | Line No. | Line |
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| 4358 | Serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2009 VMware, Inc. All Rights Reserved. |
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| 4 | * |
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| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 6 | * copy of this software and associated documentation files (the |
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| 7 | * "Software"), to deal in the Software without restriction, including |
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| 8 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 9 | * distribute, sub license, and/or sell copies of the Software, and to |
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| 10 | * permit persons to whom the Software is furnished to do so, subject to |
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| 11 | * the following conditions: |
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| 12 | * |
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| 13 | * The above copyright notice and this permission notice (including the |
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| 14 | * next paragraph) shall be included in all copies or substantial portions |
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| 15 | * of the Software. |
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| 16 | * |
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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| 20 | * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
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| 21 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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| 22 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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| 23 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 24 | * |
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| 25 | **************************************************************************/ |
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| 26 | |||
| 27 | #include "VG/openvg.h" |
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| 28 | |||
| 29 | #include "vg_context.h" |
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| 30 | |||
| 31 | #include "matrix.h" |
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| 32 | #include "api.h" |
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| 33 | |||
| 34 | void vegaLoadIdentity(void) |
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| 35 | { |
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| 36 | struct vg_context *ctx = vg_current_context(); |
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| 37 | struct matrix *mat = vg_state_matrix(&ctx->state.vg); |
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| 38 | matrix_load_identity(mat); |
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| 39 | } |
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| 40 | |||
| 41 | void vegaLoadMatrix(const VGfloat * m) |
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| 42 | { |
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| 43 | struct vg_context *ctx = vg_current_context(); |
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| 44 | struct matrix *mat; |
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| 45 | |||
| 46 | if (!ctx) |
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| 47 | return; |
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| 48 | |||
| 49 | if (!m || !is_aligned(m)) { |
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| 50 | vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR); |
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| 51 | return; |
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| 52 | } |
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| 53 | |||
| 54 | mat = vg_state_matrix(&ctx->state.vg); |
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| 55 | matrix_init(mat, m); |
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| 56 | if (!matrix_is_affine(mat)) { |
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| 57 | if (ctx->state.vg.matrix_mode != VG_MATRIX_IMAGE_USER_TO_SURFACE) { |
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| 58 | matrix_make_affine(mat); |
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| 59 | } |
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| 60 | } |
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| 61 | } |
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| 62 | |||
| 63 | void vegaGetMatrix(VGfloat * m) |
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| 64 | { |
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| 65 | struct vg_context *ctx = vg_current_context(); |
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| 66 | struct matrix *mat; |
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| 67 | |||
| 68 | if (!ctx) |
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| 69 | return; |
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| 70 | |||
| 71 | if (!m || !is_aligned(m)) { |
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| 72 | vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR); |
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| 73 | return; |
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| 74 | } |
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| 75 | |||
| 76 | mat = vg_state_matrix(&ctx->state.vg); |
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| 77 | memcpy(m, mat->m, sizeof(VGfloat)*9); |
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| 78 | } |
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| 79 | |||
| 80 | void vegaMultMatrix(const VGfloat * m) |
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| 81 | { |
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| 82 | struct vg_context *ctx = vg_current_context(); |
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| 83 | struct matrix *dst, src; |
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| 84 | |||
| 85 | if (!ctx) |
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| 86 | return; |
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| 87 | |||
| 88 | if (!m || !is_aligned(m)) { |
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| 89 | vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR); |
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| 90 | return; |
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| 91 | } |
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| 92 | matrix_init(&src, m); |
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| 93 | dst = vg_state_matrix(&ctx->state.vg); |
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| 94 | if (!matrix_is_affine(&src)) { |
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| 95 | if (ctx->state.vg.matrix_mode != VG_MATRIX_IMAGE_USER_TO_SURFACE) { |
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| 96 | matrix_make_affine(&src); |
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| 97 | } |
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| 98 | } |
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| 99 | matrix_mult(dst, &src); |
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| 100 | |||
| 101 | } |
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| 102 | |||
| 103 | void vegaTranslate(VGfloat tx, VGfloat ty) |
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| 104 | { |
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| 105 | struct vg_context *ctx = vg_current_context(); |
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| 106 | struct matrix *dst = vg_state_matrix(&ctx->state.vg); |
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| 107 | matrix_translate(dst, tx, ty); |
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| 108 | } |
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| 109 | |||
| 110 | void vegaScale(VGfloat sx, VGfloat sy) |
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| 111 | { |
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| 112 | struct vg_context *ctx = vg_current_context(); |
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| 113 | struct matrix *dst = vg_state_matrix(&ctx->state.vg); |
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| 114 | matrix_scale(dst, sx, sy); |
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| 115 | } |
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| 116 | |||
| 117 | void vegaShear(VGfloat shx, VGfloat shy) |
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| 118 | { |
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| 119 | struct vg_context *ctx = vg_current_context(); |
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| 120 | struct matrix *dst = vg_state_matrix(&ctx->state.vg); |
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| 121 | matrix_shear(dst, shx, shy); |
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| 122 | } |
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| 123 | |||
| 124 | void vegaRotate(VGfloat angle) |
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| 125 | { |
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| 126 | struct vg_context *ctx = vg_current_context(); |
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| 127 | struct matrix *dst = vg_state_matrix(&ctx->state.vg); |
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| 128 | matrix_rotate(dst, angle); |
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| 129 | } |