diff options
Diffstat (limited to 'src/gallium/state_trackers/vega/stroker.h')
-rw-r--r-- | src/gallium/state_trackers/vega/stroker.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/vega/stroker.h b/src/gallium/state_trackers/vega/stroker.h new file mode 100644 index 0000000000..36543cd923 --- /dev/null +++ b/src/gallium/state_trackers/vega/stroker.h @@ -0,0 +1,89 @@ +/************************************************************************** + * + * 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 STROKER_H +#define STROKER_H + +#include "VG/openvg.h" +#include "api_consts.h" + +struct path; +struct vg_state; +struct array; + +struct stroker { + void (*begin)(struct stroker *stroker); + void (*process_subpath)(struct stroker *stroker); + void (*end)(struct stroker *stroker); + + struct array *segments; + struct array *control_points; + struct path *path; + + VGfloat back1_x, back1_y; + VGfloat back2_x, back2_y; + + VGfloat stroke_width; + VGfloat miter_limit; + VGCapStyle cap_style; + VGJoinStyle join_style; + + VGPathCommand last_cmd; +}; + +struct dash_stroker { + struct stroker base; + + struct stroker stroker; + + VGfloat dash_pattern[VEGA_MAX_DASH_COUNT]; + VGint dash_pattern_num; + VGfloat dash_phase; + VGboolean dash_phase_reset; +}; + +void stroker_init(struct stroker *stroker, + struct vg_state *state); +void dash_stroker_init(struct stroker *stroker, + struct vg_state *state); +void dash_stroker_cleanup(struct dash_stroker *stroker); +void stroker_cleanup(struct stroker *stroker); + +void stroker_begin(struct stroker *stroker); +void stroker_move_to(struct stroker *stroker, VGfloat x, VGfloat y); +void stroker_line_to(struct stroker *stroker, VGfloat x, VGfloat y); +void stroker_curve_to(struct stroker *stroker, VGfloat px1, VGfloat py1, + VGfloat px2, VGfloat py2, + VGfloat x, VGfloat y); +void stroker_end(struct stroker *stroker); + +void stroker_emit_move_to(struct stroker *stroker, VGfloat x, VGfloat y); +void stroker_emit_line_to(struct stroker *stroker, VGfloat x, VGfloat y); +void stroker_emit_curve_to(struct stroker *stroker, VGfloat px1, VGfloat py1, + VGfloat px2, VGfloat py2, + VGfloat x, VGfloat y); + +#endif |