VKVG  
Vulkan Vector Graphics
vkvg.h
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1 /*
2  * Copyright (c) 2018-2020 Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a copy of
5  * this software and associated documentation files (the "Software"), to deal in
6  * the Software without restriction, including without limitation the rights to use,
7  * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
8  * Software, and to permit persons to whom the Software is furnished to do so, subject
9  * to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in all
12  * copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20  * THE SOFTWARE.
21  */
22 #ifndef VKVG_H
23 #define VKVG_H
24 
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28 
65 #include <vulkan/vulkan.h>
66 #include <math.h>
67 #include <stdbool.h>
68 
69 #ifndef vkvg_public
70  #ifdef VKVG_SHARED_BUILD
71  #if (defined(_WIN32) || defined(_WIN64))
72  #define vkvg_public __declspec(dllimport)
73  #else
74  #define vkvg_public __attribute__((visibility("default")))
75  #endif
76  #else
77  #define vkvg_public
78  #endif
79 #endif
80 
81 
82 #define VKVG_LOG_ERR 0x00000001
83 #define VKVG_LOG_DEBUG 0x00000002
84 
85 #define VKVG_LOG_INFO_PTS 0x00000004
86 #define VKVG_LOG_INFO_PATH 0x00000008
87 #define VKVG_LOG_INFO_CMD 0x00000010
88 #define VKVG_LOG_INFO_VBO 0x00000020
89 #define VKVG_LOG_INFO_IBO 0x00000040
90 #define VKVG_LOG_INFO_VAO (VKVG_LOG_INFO_VBO|VKVG_LOG_INFO_IBO)
91 #define VKVG_LOG_DBG_ARRAYS 0x00001000
92 #define VKVG_LOG_STROKE 0x00010000
93 #define VKVG_LOG_FULL 0xffffffff
94 
95 #define VKVG_LOG_INFO 0x00008000//(VKVG_LOG_INFO_PTS|VKVG_LOG_INFO_PATH|VKVG_LOG_INFO_CMD|VKVG_LOG_INFO_VAO)
96 #ifdef DEBUG
97  extern uint32_t vkvg_log_level;
98  #ifdef VKVG_WIRED_DEBUG
99  typedef enum {
100  vkvg_wired_debug_mode_normal = 0x01,
101  vkvg_wired_debug_mode_points = 0x02,
102  vkvg_wired_debug_mode_lines = 0x04,
103  vkvg_wired_debug_mode_both = vkvg_wired_debug_mode_points|vkvg_wired_debug_mode_lines,
104  vkvg_wired_debug_mode_all = 0xFFFFFFFF
105  }vkvg_wired_debug_mode;
106  extern vkvg_wired_debug_mode vkvg_wired_debug;
107  #endif
108 #endif
109 
119 typedef enum {
120  VKVG_STATUS_SUCCESS = 0,
121  VKVG_STATUS_NO_MEMORY,
122  VKVG_STATUS_INVALID_RESTORE,
123  VKVG_STATUS_NO_CURRENT_POINT,
124  VKVG_STATUS_INVALID_MATRIX,
125  VKVG_STATUS_INVALID_STATUS,
126  VKVG_STATUS_INVALID_INDEX,
127  VKVG_STATUS_NULL_POINTER,
128  VKVG_STATUS_WRITE_ERROR,
129  VKVG_STATUS_PATTERN_TYPE_MISMATCH,
130  VKVG_STATUS_PATTERN_INVALID_GRADIENT,
131  VKVG_STATUS_INVALID_FORMAT,
132  VKVG_STATUS_FILE_NOT_FOUND,
133  VKVG_STATUS_INVALID_DASH,
134  VKVG_STATUS_INVALID_RECT,
135  VKVG_STATUS_TIMEOUT,
136  VKVG_STATUS_DEVICE_ERROR,
137  VKVG_STATUS_INVALID_IMAGE,
138  VKVG_STATUS_INVALID_SURFACE,
139  VKVG_STATUS_INVALID_FONT
140 }vkvg_status_t;
141 
142 typedef enum {
143  VKVG_HORIZONTAL = 0,
144  VKVG_VERTICAL = 1
145 }vkvg_direction_t;
146 
147 typedef enum {
148  VKVG_FORMAT_ARGB32,
149  VKVG_FORMAT_RGB24,
150  VKVG_FORMAT_A8,
151  VKVG_FORMAT_A1
152 } vkvg_format_t;
159 typedef enum {
160  VKVG_EXTEND_NONE,
161  VKVG_EXTEND_REPEAT,
162  VKVG_EXTEND_REFLECT,
163  VKVG_EXTEND_PAD
164 } vkvg_extend_t;
165 
166 
167 typedef enum {
168  VKVG_FILTER_FAST,
169  VKVG_FILTER_GOOD,
170  VKVG_FILTER_BEST,
171  VKVG_FILTER_NEAREST,
172  VKVG_FILTER_BILINEAR,
173  VKVG_FILTER_GAUSSIAN,
174 } vkvg_filter_t;
175 
181 typedef enum {
182  VKVG_PATTERN_TYPE_SOLID,
183  VKVG_PATTERN_TYPE_SURFACE,
184  VKVG_PATTERN_TYPE_LINEAR,
185  VKVG_PATTERN_TYPE_RADIAL,
186  VKVG_PATTERN_TYPE_MESH,
187  VKVG_PATTERN_TYPE_RASTER_SOURCE,
188 } vkvg_pattern_type_t;
189 
196 typedef enum {
197  VKVG_LINE_CAP_BUTT,
198  VKVG_LINE_CAP_ROUND,
199  VKVG_LINE_CAP_SQUARE
200 } vkvg_line_cap_t;
207 typedef enum {
208  VKVG_LINE_JOIN_MITER,
209  VKVG_LINE_JOIN_ROUND,
210  VKVG_LINE_JOIN_BEVEL
211 } vkvg_line_join_t;
212 
221 typedef enum {
222  VKVG_FILL_RULE_EVEN_ODD,
223  VKVG_FILL_RULE_NON_ZERO
224 } vkvg_fill_rule_t;
225 
226 typedef struct {
227  float r;
228  float g;
229  float b;
230  float a;
231 } vkvg_color_t;
232 
239 typedef struct {
240  float ascent;
241  float descent;
242  float height;
243  float max_x_advance;
244  float max_y_advance;
245 } vkvg_font_extents_t;
252 typedef struct {
253  float x_bearing;
254  float y_bearing;
255  float width;
256  float height;
257  float x_advance;
258  float y_advance;
259 } vkvg_text_extents_t;
260 
267 typedef struct _glyph_info_t {
268  int32_t x_advance;
269  int32_t y_advance;
270  int32_t x_offset;
271  int32_t y_offset;
272  /* private */
273  uint32_t codepoint;//should be named glyphIndex, but for harfbuzz compatibility...
274 } vkvg_glyph_info_t;
275 
288 typedef struct _vkvg_text_run_t* VkvgText;
289 
296 typedef struct _vkvg_context_t* VkvgContext;
308 typedef struct _vkvg_surface_t* VkvgSurface;
315 typedef struct _vkvg_device_t* VkvgDevice;
323 typedef struct _vkvg_pattern_t* VkvgPattern;
324 
325 #if VKVG_DBG_STATS
331 typedef struct {
332  uint32_t sizePoints;
333  uint32_t sizePathes;
334  uint32_t sizeVertices;
335  uint32_t sizeIndices;
336  uint32_t sizeVBO;
337  uint32_t sizeIBO;
338 } vkvg_debug_stats_t;
339 
340 vkvg_debug_stats_t vkvg_device_get_stats (VkvgDevice dev);
341 vkvg_debug_stats_t vkvg_device_reset_stats (VkvgDevice dev);
342 #endif
343 
344 
352 #define VKVG_IDENTITY_MATRIX (vkvg_matrix_t){1,0,0,1,0,0}
370 typedef struct {
371  float xx; float yx;
372  float xy; float yy;
373  float x0; float y0;
374 } vkvg_matrix_t;
381 vkvg_public
382 void vkvg_matrix_init_identity (vkvg_matrix_t *matrix);
396 vkvg_public
397 void vkvg_matrix_init (vkvg_matrix_t *matrix,
398  float xx, float yx,
399  float xy, float yy,
400  float x0, float y0);
409 vkvg_public
410 void vkvg_matrix_init_translate (vkvg_matrix_t *matrix, float tx, float ty);
419 vkvg_public
420 void vkvg_matrix_init_scale (vkvg_matrix_t *matrix, float sx, float sy);
432 vkvg_public
433 void vkvg_matrix_init_rotate (vkvg_matrix_t *matrix, float radians);
444 vkvg_public
445 void vkvg_matrix_translate (vkvg_matrix_t *matrix, float tx, float ty);
456 vkvg_public
457 void vkvg_matrix_scale (vkvg_matrix_t *matrix, float sx, float sy);
469 vkvg_public
470 void vkvg_matrix_rotate (vkvg_matrix_t *matrix, float radians);
479 vkvg_public
480 void vkvg_matrix_multiply (vkvg_matrix_t *result, const vkvg_matrix_t *a, const vkvg_matrix_t *b);
496 vkvg_public
497 void vkvg_matrix_transform_distance (const vkvg_matrix_t *matrix, float *dx, float *dy);
506 vkvg_public
507 void vkvg_matrix_transform_point (const vkvg_matrix_t *matrix, float *x, float *y);
517 vkvg_public
518 vkvg_status_t vkvg_matrix_invert (vkvg_matrix_t *matrix);
519 vkvg_public
520 void vkvg_matrix_get_scale (const vkvg_matrix_t *matrix, float *sx, float *sy);
549 vkvg_public
550 void vkvg_device_set_thread_aware (VkvgDevice dev, uint32_t thread_awayre);
551 
567 vkvg_public
568 VkvgDevice vkvg_device_create (VkSampleCountFlags samples, bool deferredResolve);
588 vkvg_public
589 VkvgDevice vkvg_device_create_from_vk (VkInstance inst, VkPhysicalDevice phy, VkDevice vkdev, uint32_t qFamIdx, uint32_t qIndex);
608 vkvg_public
609 VkvgDevice vkvg_device_create_from_vk_multisample (VkInstance inst, VkPhysicalDevice phy, VkDevice vkdev, uint32_t qFamIdx, uint32_t qIndex, VkSampleCountFlags samples, bool deferredResolve);
619 vkvg_public
620 void vkvg_device_destroy (VkvgDevice dev);
628 vkvg_public
629 vkvg_status_t vkvg_device_status (VkvgDevice dev);
637 vkvg_public
638 VkvgDevice vkvg_device_reference (VkvgDevice dev);
646 vkvg_public
647 uint32_t vkvg_device_get_reference_count (VkvgDevice dev);
656 vkvg_public
657 void vkvg_device_set_dpy (VkvgDevice dev, int hdpy, int vdpy);
667 vkvg_public
668 void vkvg_device_get_dpy (VkvgDevice dev, int* hdpy, int* vdpy);
669 
677 vkvg_public
678 void vkvg_get_required_instance_extensions (const char** pExtensions, uint32_t* pExtCount);
686 vkvg_public
687 void vkvg_get_required_device_extensions (VkPhysicalDevice phy, const char** pExtensions, uint32_t* pExtCount);
695 vkvg_public
696 const void* vkvg_get_device_requirements (VkPhysicalDeviceFeatures* pEnabledFeatures);
708 vkvg_public
709 VkvgSurface vkvg_surface_create (VkvgDevice dev, uint32_t width, uint32_t height);
718 vkvg_public
719 VkvgSurface vkvg_surface_create_from_image (VkvgDevice dev, const char* filePath);
726 vkvg_public
727 VkvgSurface vkvg_surface_create_for_VkhImage (VkvgDevice dev, void* vkhImg);
728 // VkvgSurface vkvg_surface_create_from_bitmap (VkvgDevice dev, unsigned char* img, uint32_t width, uint32_t height);
734 vkvg_public
735 VkvgSurface vkvg_surface_reference (VkvgSurface surf);
741 vkvg_public
742 uint32_t vkvg_surface_get_reference_count (VkvgSurface surf);
747 vkvg_public
748 void vkvg_surface_destroy (VkvgSurface surf);
754 vkvg_public
755 vkvg_status_t vkvg_surface_status (VkvgSurface surf);
766 vkvg_public
767 void vkvg_surface_clear (VkvgSurface surf);
773 vkvg_public
774 VkImage vkvg_surface_get_vk_image (VkvgSurface surf);
780 vkvg_public
781 VkFormat vkvg_surface_get_vk_format (VkvgSurface surf);
787 vkvg_public
788 uint32_t vkvg_surface_get_width (VkvgSurface surf);
794 vkvg_public
795 uint32_t vkvg_surface_get_height (VkvgSurface surf);
802 vkvg_public
803 vkvg_status_t vkvg_surface_write_to_png (VkvgSurface surf, const char* path);
810 vkvg_public
811 vkvg_status_t vkvg_surface_write_to_memory (VkvgSurface surf, unsigned char* const bitmap);
823 vkvg_public
824 void vkvg_surface_resolve (VkvgSurface surf);
827 //mimic from cairo, to facilitate usage of vkvg as cairo vulkan backend
828 
834 typedef enum _vkvg_operator {
835  VKVG_OPERATOR_CLEAR,
836 
837  VKVG_OPERATOR_SOURCE,
838  VKVG_OPERATOR_OVER,
839 /* VKVG_OPERATOR_IN,
840  VKVG_OPERATOR_OUT,
841  VKVG_OPERATOR_ATOP,
842 
843  VKVG_OPERATOR_DEST,
844  VKVG_OPERATOR_DEST_OVER,
845  VKVG_OPERATOR_DEST_IN,
846  VKVG_OPERATOR_DEST_OUT,
847  VKVG_OPERATOR_DEST_ATOP,
848 
849  VKVG_OPERATOR_XOR,
850  VKVG_OPERATOR_ADD,
851  VKVG_OPERATOR_SATURATE,
852 
853  VKVG_OPERATOR_MULTIPLY,
854  VKVG_OPERATOR_SCREEN,
855  VKVG_OPERATOR_OVERLAY,
856  VKVG_OPERATOR_DARKEN,
857  VKVG_OPERATOR_LIGHTEN,
858  VKVG_OPERATOR_COLOR_DODGE,
859  VKVG_OPERATOR_COLOR_BURN,
860  VKVG_OPERATOR_HARD_LIGHT,
861  VKVG_OPERATOR_SOFT_LIGHT,
862  */VKVG_OPERATOR_DIFFERENCE,/*
863  VKVG_OPERATOR_EXCLUSION,
864  VKVG_OPERATOR_HSL_HUE,
865  VKVG_OPERATOR_HSL_SATURATION,
866  VKVG_OPERATOR_HSL_COLOR,
867  VKVG_OPERATOR_HSL_LUMINOSITY,*/
868  VKVG_OPERATOR_MAX,
869 } vkvg_operator_t;
870 
882 vkvg_public
883 VkvgContext vkvg_create (VkvgSurface surf);
890 vkvg_public
891 void vkvg_destroy (VkvgContext ctx);
899 vkvg_public
900 vkvg_status_t vkvg_status (VkvgContext ctx);
909 vkvg_public
910 const char* vkvg_status_to_string (vkvg_status_t status);
916 vkvg_public
917 VkvgContext vkvg_reference (VkvgContext ctx);
923 vkvg_public
924 uint32_t vkvg_get_reference_count (VkvgContext ctx);
934 vkvg_public
935 void vkvg_flush (VkvgContext ctx);
944 vkvg_public
945 void vkvg_new_path (VkvgContext ctx);
954 vkvg_public
955 void vkvg_close_path (VkvgContext ctx);
965 vkvg_public
966 void vkvg_new_sub_path (VkvgContext ctx);
975 vkvg_public
976 void vkvg_path_extents (VkvgContext ctx, float *x1, float *y1, float *x2, float *y2);
985 vkvg_public
986 void vkvg_get_current_point (VkvgContext ctx, float* x, float* y);
997 vkvg_public
998 void vkvg_line_to (VkvgContext ctx, float x, float y);
1009 vkvg_public
1010 void vkvg_rel_line_to (VkvgContext ctx, float dx, float dy);
1023 vkvg_public
1024 void vkvg_move_to (VkvgContext ctx, float x, float y);
1036 vkvg_public
1037 void vkvg_rel_move_to (VkvgContext ctx, float x, float y);
1061 vkvg_public
1062 void vkvg_arc (VkvgContext ctx, float xc, float yc, float radius, float a1, float a2);
1080 vkvg_public
1081 void vkvg_arc_negative (VkvgContext ctx, float xc, float yc, float radius, float a1, float a2);
1097 vkvg_public
1098 void vkvg_curve_to (VkvgContext ctx, float x1, float y1, float x2, float y2, float x3, float y3);
1115 vkvg_public
1116 void vkvg_rel_curve_to (VkvgContext ctx, float x1, float y1, float x2, float y2, float x3, float y3);
1127 vkvg_public
1128 void vkvg_quadratic_to (VkvgContext ctx, float x1, float y1, float x2, float y2);
1138 vkvg_public
1139 void vkvg_rel_quadratic_to (VkvgContext ctx, float x1, float y1, float x2, float y2);
1151 vkvg_public
1152 vkvg_status_t vkvg_rectangle(VkvgContext ctx, float x, float y, float w, float h);
1165 vkvg_public
1166 vkvg_status_t vkvg_rounded_rectangle (VkvgContext ctx, float x, float y, float w, float h, float radius);
1180 vkvg_public
1181 void vkvg_rounded_rectangle2 (VkvgContext ctx, float x, float y, float w, float h, float rx, float ry);
1182 
1195 vkvg_public
1196 void vkvg_ellipse (VkvgContext ctx, float radiusX, float radiusY, float x, float y, float rotationAngle);
1217 vkvg_public
1218 void vkvg_elliptic_arc_to (VkvgContext ctx, float x, float y, bool large_arc_flag, bool sweep_flag, float rx, float ry, float phi);
1232 vkvg_public
1233 void vkvg_rel_elliptic_arc_to (VkvgContext ctx, float x, float y, bool large_arc_flag, bool sweep_flag, float rx, float ry, float phi);
1243 vkvg_public
1244 void vkvg_stroke (VkvgContext ctx);
1252 vkvg_public
1253 void vkvg_stroke_preserve (VkvgContext ctx);
1262 vkvg_public
1263 void vkvg_fill (VkvgContext ctx);
1271 vkvg_public
1272 void vkvg_fill_preserve (VkvgContext ctx);
1281 vkvg_public
1282 void vkvg_paint (VkvgContext ctx);
1293 vkvg_public
1294 void vkvg_clear (VkvgContext ctx);//use vkClearAttachment to speed up clearing surf
1302 vkvg_public
1303 void vkvg_reset_clip (VkvgContext ctx);
1319 vkvg_public
1320 void vkvg_clip (VkvgContext ctx);
1328 vkvg_public
1329 void vkvg_clip_preserve (VkvgContext ctx);
1338 vkvg_public
1339 void vkvg_set_opacity (VkvgContext ctx, float opacity);
1340 vkvg_public
1348 float vkvg_get_opacity (VkvgContext ctx);
1354 vkvg_public
1355 void vkvg_set_source_color (VkvgContext ctx, uint32_t c);
1366 vkvg_public
1367 void vkvg_set_source_rgba (VkvgContext ctx, float r, float g, float b, float a);
1382 vkvg_public
1383 void vkvg_set_source_rgb (VkvgContext ctx, float r, float g, float b);
1393 vkvg_public
1394 void vkvg_set_line_width (VkvgContext ctx, float width);
1409 vkvg_public
1410 void vkvg_set_miter_limit (VkvgContext ctx, float limit);
1419 vkvg_public
1420 float vkvg_get_miter_limit (VkvgContext ctx);
1428 vkvg_public
1429 void vkvg_set_line_cap (VkvgContext ctx, vkvg_line_cap_t cap);
1437 vkvg_public
1438 void vkvg_set_line_join (VkvgContext ctx, vkvg_line_join_t join);
1448 vkvg_public
1449 void vkvg_set_source_surface (VkvgContext ctx, VkvgSurface surf, float x, float y);
1457 vkvg_public
1458 void vkvg_set_source (VkvgContext ctx, VkvgPattern pat);
1465 vkvg_public
1466 void vkvg_set_operator (VkvgContext ctx, vkvg_operator_t op);
1473 vkvg_public
1474 void vkvg_set_fill_rule (VkvgContext ctx, vkvg_fill_rule_t fr);
1487 vkvg_public
1488 void vkvg_set_dash (VkvgContext ctx, const float* dashes, uint32_t num_dashes, float offset);
1500 vkvg_public
1501 void vkvg_get_dash (VkvgContext ctx, const float *dashes, uint32_t* num_dashes, float* offset);
1502 
1510 vkvg_public
1511 float vkvg_get_line_width (VkvgContext ctx);
1518 vkvg_public
1519 vkvg_line_cap_t vkvg_get_line_cap (VkvgContext ctx);
1526 vkvg_public
1527 vkvg_line_join_t vkvg_get_line_join (VkvgContext ctx);
1534 vkvg_public
1535 vkvg_operator_t vkvg_get_operator (VkvgContext ctx);
1547 vkvg_public
1548 vkvg_fill_rule_t vkvg_get_fill_rule (VkvgContext ctx);
1557 vkvg_public
1558 VkvgPattern vkvg_get_source (VkvgContext ctx);
1559 
1567 vkvg_public
1568 VkvgSurface vkvg_get_target (VkvgContext ctx);
1578 vkvg_public
1579 bool vkvg_has_current_point (VkvgContext ctx);
1580 
1589 vkvg_public
1590 void vkvg_save (VkvgContext ctx);
1599 vkvg_public
1600 void vkvg_restore (VkvgContext ctx);
1609 vkvg_public
1610 void vkvg_translate (VkvgContext ctx, float dx, float dy);
1619 vkvg_public
1620 void vkvg_scale (VkvgContext ctx, float sx, float sy);
1628 vkvg_public
1629 void vkvg_rotate (VkvgContext ctx, float radians);
1638 vkvg_public
1639 void vkvg_transform (VkvgContext ctx, const vkvg_matrix_t* matrix);
1648 vkvg_public
1649 void vkvg_set_matrix (VkvgContext ctx, const vkvg_matrix_t* matrix);
1658 vkvg_public
1659 void vkvg_get_matrix (VkvgContext ctx, const vkvg_matrix_t* matrix);
1667 vkvg_public
1668 void vkvg_identity_matrix (VkvgContext ctx);
1669 
1676 vkvg_public
1677 void vkvg_select_font_face (VkvgContext ctx, const char* name);
1685 vkvg_public
1686 void vkvg_load_font_from_path (VkvgContext ctx, const char* path, const char *name);
1695 vkvg_public
1696 void vkvg_load_font_from_memory (VkvgContext ctx, unsigned char* fontBuffer, long fontBufferByteSize, const char* name);
1703 vkvg_public
1704 void vkvg_set_font_size (VkvgContext ctx, uint32_t size);
1714 vkvg_public
1715 void vkvg_show_text (VkvgContext ctx, const char* utf8);
1723 vkvg_public
1724 void vkvg_text_extents (VkvgContext ctx, const char* utf8, vkvg_text_extents_t* extents);
1731 vkvg_public
1732 void vkvg_font_extents (VkvgContext ctx, vkvg_font_extents_t* extents);
1733 
1734 //text run holds harfbuz datas, and prevent recreating them multiple times for the same line of text.
1742 vkvg_public
1743 VkvgText vkvg_text_run_create (VkvgContext ctx, const char* text);
1752 vkvg_public
1753 VkvgText vkvg_text_run_create_with_length (VkvgContext ctx, const char* text, uint32_t length);
1759 vkvg_public
1760 void vkvg_text_run_destroy (VkvgText textRun);
1767 vkvg_public
1768 void vkvg_show_text_run (VkvgContext ctx, VkvgText textRun);
1775 vkvg_public
1776 void vkvg_text_run_get_extents (VkvgText textRun, vkvg_text_extents_t* extents);
1782 vkvg_public
1783 uint32_t vkvg_text_run_get_glyph_count (VkvgText textRun);
1788 vkvg_public
1789 void vkvg_text_run_get_glyph_position (VkvgText textRun,
1790  uint32_t index,
1791  vkvg_glyph_info_t* pGlyphInfo);
1810 vkvg_public
1811 VkvgPattern vkvg_pattern_reference (VkvgPattern pat);
1819 vkvg_public
1820 uint32_t vkvg_pattern_get_reference_count (VkvgPattern pat);
1831 vkvg_public
1832 VkvgPattern vkvg_pattern_create_for_surface (VkvgSurface surf);
1845 vkvg_public
1846 VkvgPattern vkvg_pattern_create_linear (float x0, float y0, float x1, float y1);
1858 vkvg_public
1859 vkvg_status_t vkvg_pattern_edit_linear(VkvgPattern pat, float x0, float y0, float x1, float y1);
1871 vkvg_public
1872 vkvg_status_t vkvg_pattern_get_linear_points(VkvgPattern pat, float* x0, float* y0, float* x1, float* y1);
1887 vkvg_public
1888 VkvgPattern vkvg_pattern_create_radial (float cx0, float cy0, float radius0,
1889  float cx1, float cy1, float radius1);
1904 vkvg_public
1905 vkvg_status_t vkvg_pattern_edit_radial(VkvgPattern pat,
1906  float cx0, float cy0, float radius0,
1907  float cx1, float cy1, float radius1);
1917 vkvg_public
1918 vkvg_status_t vkvg_pattern_get_color_stop_count (VkvgPattern pat, uint32_t* count);
1934 vkvg_public
1935 vkvg_status_t vkvg_pattern_get_color_stop_rgba (VkvgPattern pat, uint32_t index,
1936  float* offset, float* r, float* g, float* b, float* a);
1937 
1945 vkvg_public
1946 void vkvg_pattern_destroy (VkvgPattern pat);
1960 vkvg_public
1961 vkvg_status_t vkvg_pattern_add_color_stop(VkvgPattern pat, float offset, float r, float g, float b, float a);
1971 vkvg_public
1972 void vkvg_pattern_set_extend (VkvgPattern pat, vkvg_extend_t extend);
1979 vkvg_public
1980 void vkvg_pattern_set_filter (VkvgPattern pat, vkvg_filter_t filter);
1987 vkvg_public
1988 vkvg_extend_t vkvg_pattern_get_extend (VkvgPattern pat);
1995 vkvg_public
1996 vkvg_filter_t vkvg_pattern_get_filter (VkvgPattern pat);
2005 vkvg_public
2006 vkvg_pattern_type_t vkvg_pattern_get_type (VkvgPattern pat);
2007 vkvg_public
2008 void vkvg_pattern_set_matrix (VkvgPattern pat, const vkvg_matrix_t* matrix);
2009 vkvg_public
2010 void vkvg_pattern_get_matrix (VkvgPattern pat, vkvg_matrix_t* matrix);
2011 
2014 /********* EXPERIMENTAL **************/
2015 vkvg_public
2016 void vkvg_set_source_color_name (VkvgContext ctx, const char* color);
2017 
2018 #ifdef VKVG_RECORDING
2019 typedef struct _vkvg_recording_t* VkvgRecording;
2020 
2021 vkvg_public
2022 void vkvg_start_recording (VkvgContext ctx);
2023 vkvg_public
2024 VkvgRecording vkvg_stop_recording (VkvgContext ctx);
2025 vkvg_public
2026 void vkvg_replay (VkvgContext ctx, VkvgRecording rec);
2027 vkvg_public
2028 void vkvg_replay_command (VkvgContext ctx, VkvgRecording rec, uint32_t cmdIndex);
2029 vkvg_public
2030 void vkvg_recording_get_command (VkvgRecording rec, uint32_t cmdIndex, uint32_t* cmd, void** dataOffset);
2031 vkvg_public
2032 uint32_t vkvg_recording_get_count(VkvgRecording rec);
2033 vkvg_public
2034 void* vkvg_recording_get_data (VkvgRecording rec);
2035 vkvg_public
2036 void vkvg_recording_destroy (VkvgRecording rec);
2037 /*************************************/
2038 #endif
2039 
2040 #ifdef __cplusplus
2041 }
2042 #endif
2043 
2044 #endif
vkvg_get_dash
void vkvg_get_dash(VkvgContext ctx, const float *dashes, uint32_t *num_dashes, float *offset)
get current dash settings.
vkvg_identity_matrix
void vkvg_identity_matrix(VkvgContext ctx)
Set the current matrix to identity.
vkvg_get_reference_count
uint32_t vkvg_get_reference_count(VkvgContext ctx)
Get the current reference count of this context.
vkvg_set_dash
void vkvg_set_dash(VkvgContext ctx, const float *dashes, uint32_t num_dashes, float offset)
set the dash configuration for strokes
vkvg_destroy
void vkvg_destroy(VkvgContext ctx)
Destroy vkvg context.
VkvgContext
struct _vkvg_context_t * VkvgContext
The Vkvg drawing Context.
Definition: vkvg.h:296
vkvg_clip
void vkvg_clip(VkvgContext ctx)
Establishes a new clip region.
vkvg_get_line_join
vkvg_line_join_t vkvg_get_line_join(VkvgContext ctx)
vkvg_status_to_string
const char * vkvg_status_to_string(vkvg_status_t status)
vkvg_show_text_run
void vkvg_show_text_run(VkvgContext ctx, VkvgText textRun)
vkvg_restore
void vkvg_restore(VkvgContext ctx)
Restore context's graphic states.
vkvg_text_run_destroy
void vkvg_text_run_destroy(VkvgText textRun)
Release ressources holded by the text run.
vkvg_transform
void vkvg_transform(VkvgContext ctx, const vkvg_matrix_t *matrix)
Add an additional transformation to the current matrix.
vkvg_set_fill_rule
void vkvg_set_fill_rule(VkvgContext ctx, vkvg_fill_rule_t fr)
vkvg_set_miter_limit
void vkvg_set_miter_limit(VkvgContext ctx, float limit)
set line join miter size limit.
vkvg_elliptic_arc_to
void vkvg_elliptic_arc_to(VkvgContext ctx, float x, float y, bool large_arc_flag, bool sweep_flag, float rx, float ry, float phi)
Add an elliptical arc to the current path.
vkvg_text_run_create_with_length
VkvgText vkvg_text_run_create_with_length(VkvgContext ctx, const char *text, uint32_t length)
Create a new text run for a non null terminated string.
vkvg_text_run_get_glyph_position
void vkvg_text_run_get_glyph_position(VkvgText textRun, uint32_t index, vkvg_glyph_info_t *pGlyphInfo)
retrieve glyph positions.
vkvg_set_source
void vkvg_set_source(VkvgContext ctx, VkvgPattern pat)
set supplied pattern as current source.
vkvg_get_miter_limit
float vkvg_get_miter_limit(VkvgContext ctx)
Gets the current miter limit.
vkvg_get_line_width
float vkvg_get_line_width(VkvgContext ctx)
get current line width
vkvg_text_run_get_glyph_count
uint32_t vkvg_text_run_get_glyph_count(VkvgText textRun)
Get glyph count of text run.
vkvg_set_source_surface
void vkvg_set_source_surface(VkvgContext ctx, VkvgSurface surf, float x, float y)
use supplied surface as current pattern.
vkvg_text_extents
void vkvg_text_extents(VkvgContext ctx, const char *utf8, vkvg_text_extents_t *extents)
Gets the extents for a string of text.
vkvg_get_opacity
float vkvg_get_opacity(VkvgContext ctx)
Get current opacity.
vkvg_fill
void vkvg_fill(VkvgContext ctx)
Fill command.
vkvg_path_extents
void vkvg_path_extents(VkvgContext ctx, float *x1, float *y1, float *x2, float *y2)
vkvg_path_extents
vkvg_rounded_rectangle
vkvg_status_t vkvg_rounded_rectangle(VkvgContext ctx, float x, float y, float w, float h, float radius)
Add an axis aligned rectangle with rounded corners to the current path.
vkvg_text_run_create
VkvgText vkvg_text_run_create(VkvgContext ctx, const char *text)
Create a new text run.
vkvg_set_line_join
void vkvg_set_line_join(VkvgContext ctx, vkvg_line_join_t join)
set line joins for the next draw command.
vkvg_rectangle
vkvg_status_t vkvg_rectangle(VkvgContext ctx, float x, float y, float w, float h)
Add an axis aligned rectangle subpath to the current path.
vkvg_get_matrix
void vkvg_get_matrix(VkvgContext ctx, const vkvg_matrix_t *matrix)
Get the current matrix.
vkvg_translate
void vkvg_translate(VkvgContext ctx, float dx, float dy)
Add a translation to the current transformation matrix.
vkvg_set_source_rgba
void vkvg_set_source_rgba(VkvgContext ctx, float r, float g, float b, float a)
set color with alpha.
vkvg_set_source_rgb
void vkvg_set_source_rgb(VkvgContext ctx, float r, float g, float b)
set opaque color as new source.
vkvg_stroke
void vkvg_stroke(VkvgContext ctx)
Stroke command.
vkvg_show_text
void vkvg_show_text(VkvgContext ctx, const char *utf8)
Show a string of text.
vkvg_set_operator
void vkvg_set_operator(VkvgContext ctx, vkvg_operator_t op)
vkvg_line_to
void vkvg_line_to(VkvgContext ctx, float x, float y)
Add a line to the current path from the current point to the coordinate given in arguments.
vkvg_arc_negative
void vkvg_arc_negative(VkvgContext ctx, float xc, float yc, float radius, float a1, float a2)
Add a circular arc in counter clockwise order to the current path.
vkvg_get_target
VkvgSurface vkvg_get_target(VkvgContext ctx)
Get the current target of the context.
vkvg_quadratic_to
void vkvg_quadratic_to(VkvgContext ctx, float x1, float y1, float x2, float y2)
Add a quadratic Bezizer curve to the current path.
vkvg_paint
void vkvg_paint(VkvgContext ctx)
Paint command.
vkvg_scale
void vkvg_scale(VkvgContext ctx, float sx, float sy)
Add a scaling transform to the current transformation matrix.
vkvg_new_path
void vkvg_new_path(VkvgContext ctx)
Start a new empty path.
vkvg_load_font_from_memory
void vkvg_load_font_from_memory(VkvgContext ctx, unsigned char *fontBuffer, long fontBufferByteSize, const char *name)
Select a new font by providing a pointer on the font file loaded in memory and its size in byte.
vkvg_ellipse
void vkvg_ellipse(VkvgContext ctx, float radiusX, float radiusY, float x, float y, float rotationAngle)
Add a closed ellipse to the current path.
vkvg_get_line_cap
vkvg_line_cap_t vkvg_get_line_cap(VkvgContext ctx)
vkvg_stroke_preserve
void vkvg_stroke_preserve(VkvgContext ctx)
Stroke command that preserve current path.
vkvg_move_to
void vkvg_move_to(VkvgContext ctx, float x, float y)
Move the context pen to the position given in argument.
vkvg_curve_to
void vkvg_curve_to(VkvgContext ctx, float x1, float y1, float x2, float y2, float x3, float y3)
Adds a cubic Bézier spline to the current path.
vkvg_has_current_point
bool vkvg_has_current_point(VkvgContext ctx)
Check if context has a current point defined.
vkvg_fill_preserve
void vkvg_fill_preserve(VkvgContext ctx)
Fill command that preserve current path.
vkvg_create
VkvgContext vkvg_create(VkvgSurface surf)
Create a new vkvg context used for drawing on surfaces.
vkvg_set_opacity
void vkvg_set_opacity(VkvgContext ctx, float opacity)
Set global opacity for drawing operations.
vkvg_set_matrix
void vkvg_set_matrix(VkvgContext ctx, const vkvg_matrix_t *matrix)
Set the current matrix.
vkvg_get_current_point
void vkvg_get_current_point(VkvgContext ctx, float *x, float *y)
Get the current point.
vkvg_font_extents
void vkvg_font_extents(VkvgContext ctx, vkvg_font_extents_t *extents)
Gets the font extents for the currently selected font.
vkvg_set_source_color
void vkvg_set_source_color(VkvgContext ctx, uint32_t c)
Set current source for drawing to the solid color defined by the supplied 32bit integer.
vkvg_save
void vkvg_save(VkvgContext ctx)
Save context's graphic states.
vkvg_arc
void vkvg_arc(VkvgContext ctx, float xc, float yc, float radius, float a1, float a2)
Adds a circular arc of the given radius to the current path.
vkvg_set_line_width
void vkvg_set_line_width(VkvgContext ctx, float width)
set line width for the next draw command.
vkvg_get_operator
vkvg_operator_t vkvg_get_operator(VkvgContext ctx)
vkvg_rel_move_to
void vkvg_rel_move_to(VkvgContext ctx, float x, float y)
Move the context pen relative to the current point.
vkvg_flush
void vkvg_flush(VkvgContext ctx)
Perform all the pending drawing operations on a context.
vkvg_set_line_cap
void vkvg_set_line_cap(VkvgContext ctx, vkvg_line_cap_t cap)
set line terminations for the next draw command.
vkvg_reset_clip
void vkvg_reset_clip(VkvgContext ctx)
Reset the current clip region.
vkvg_rounded_rectangle2
void vkvg_rounded_rectangle2(VkvgContext ctx, float x, float y, float w, float h, float rx, float ry)
Add an axis aligned rectangle with rounded corners defined in both axis to the current path.
vkvg_rel_quadratic_to
void vkvg_rel_quadratic_to(VkvgContext ctx, float x1, float y1, float x2, float y2)
Add a quadratic Bezizer curve to the current path relative to the current point.
vkvg_rel_curve_to
void vkvg_rel_curve_to(VkvgContext ctx, float x1, float y1, float x2, float y2, float x3, float y3)
Adds a cubic Bézier spline to the current path relative to the current point.
vkvg_new_sub_path
void vkvg_new_sub_path(VkvgContext ctx)
Start a new sub path.
vkvg_rel_elliptic_arc_to
void vkvg_rel_elliptic_arc_to(VkvgContext ctx, float x, float y, bool large_arc_flag, bool sweep_flag, float rx, float ry, float phi)
Add an elliptical arc to the current path.
vkvg_get_fill_rule
vkvg_fill_rule_t vkvg_get_fill_rule(VkvgContext ctx)
Get current fill rule.
vkvg_load_font_from_path
void vkvg_load_font_from_path(VkvgContext ctx, const char *path, const char *name)
Select a new font by providing its file path.
vkvg_select_font_face
void vkvg_select_font_face(VkvgContext ctx, const char *name)
Try find font with the specified name using the FontConfig library.
vkvg_set_font_size
void vkvg_set_font_size(VkvgContext ctx, uint32_t size)
vkvg_text_run_get_extents
void vkvg_text_run_get_extents(VkvgText textRun, vkvg_text_extents_t *extents)
vkvg_reference
VkvgContext vkvg_reference(VkvgContext ctx)
Increment by one the reference count on this context.
vkvg_rotate
void vkvg_rotate(VkvgContext ctx, float radians)
Add a rotation to the current transformation matrix.
vkvg_rel_line_to
void vkvg_rel_line_to(VkvgContext ctx, float dx, float dy)
Add a line to the current path from the current point to the coordinate relative to it.
vkvg_clip_preserve
void vkvg_clip_preserve(VkvgContext ctx)
Establishes a new clip region preserving the current path.
vkvg_status
vkvg_status_t vkvg_status(VkvgContext ctx)
Get context status.
vkvg_close_path
void vkvg_close_path(VkvgContext ctx)
Close the current path.
vkvg_get_source
VkvgPattern vkvg_get_source(VkvgContext ctx)
Get the current source of the context.
vkvg_clear
void vkvg_clear(VkvgContext ctx)
Clear surface.
vkvg_device_set_thread_aware
void vkvg_device_set_thread_aware(VkvgDevice dev, uint32_t thread_awayre)
vkvg_device_set_thread_aware
vkvg_device_create_from_vk_multisample
VkvgDevice vkvg_device_create_from_vk_multisample(VkInstance inst, VkPhysicalDevice phy, VkDevice vkdev, uint32_t qFamIdx, uint32_t qIndex, VkSampleCountFlags samples, bool deferredResolve)
Create a new multisampled vkvg device.
vkvg_device_destroy
void vkvg_device_destroy(VkvgDevice dev)
Decrement the reference count of the device by 1. Release all it's ressources if count reach 0.
vkvg_device_reference
VkvgDevice vkvg_device_reference(VkvgDevice dev)
Increment the reference count on this device.
VkvgDevice
struct _vkvg_device_t * VkvgDevice
Opaque pointer on a Vkvg device structure.
Definition: vkvg.h:315
vkvg_device_get_dpy
void vkvg_device_get_dpy(VkvgDevice dev, int *hdpy, int *vdpy)
Get the current dpy values.
vkvg_device_set_dpy
void vkvg_device_set_dpy(VkvgDevice dev, int hdpy, int vdpy)
Set the screen dot per inch for this device.
vkvg_device_create
VkvgDevice vkvg_device_create(VkSampleCountFlags samples, bool deferredResolve)
Create a new vkvg device.
vkvg_device_create_from_vk
VkvgDevice vkvg_device_create_from_vk(VkInstance inst, VkPhysicalDevice phy, VkDevice vkdev, uint32_t qFamIdx, uint32_t qIndex)
Create a new vkvg device from an existing vulkan logical device.
vkvg_device_status
vkvg_status_t vkvg_device_status(VkvgDevice dev)
Get the current status of the device.
vkvg_get_required_device_extensions
void vkvg_get_required_device_extensions(VkPhysicalDevice phy, const char **pExtensions, uint32_t *pExtCount)
query required device extensions for vkvg.
vkvg_get_required_instance_extensions
void vkvg_get_required_instance_extensions(const char **pExtensions, uint32_t *pExtCount)
query required instance extensions for vkvg.
vkvg_get_device_requirements
const void * vkvg_get_device_requirements(VkPhysicalDeviceFeatures *pEnabledFeatures)
get vulkan device creation requirement to fit vkvg needs.
vkvg_device_get_reference_count
uint32_t vkvg_device_get_reference_count(VkvgDevice dev)
Query the reference count of the device.
vkvg_matrix_rotate
void vkvg_matrix_rotate(vkvg_matrix_t *matrix, float radians)
apply rotation on matrix
vkvg_matrix_scale
void vkvg_matrix_scale(vkvg_matrix_t *matrix, float sx, float sy)
apply scale on matrix
vkvg_matrix_init_translate
void vkvg_matrix_init_translate(vkvg_matrix_t *matrix, float tx, float ty)
Rotation matrix initialization.
vkvg_matrix_init_identity
void vkvg_matrix_init_identity(vkvg_matrix_t *matrix)
Set matrix to identity.
vkvg_matrix_multiply
void vkvg_matrix_multiply(vkvg_matrix_t *result, const vkvg_matrix_t *a, const vkvg_matrix_t *b)
matrices multiplication
vkvg_matrix_init_rotate
void vkvg_matrix_init_rotate(vkvg_matrix_t *matrix, float radians)
rotation matrix initialization
vkvg_matrix_init_scale
void vkvg_matrix_init_scale(vkvg_matrix_t *matrix, float sx, float sy)
scaling matrix initialization
vkvg_matrix_invert
vkvg_status_t vkvg_matrix_invert(vkvg_matrix_t *matrix)
invert matrix
vkvg_matrix_transform_point
void vkvg_matrix_transform_point(const vkvg_matrix_t *matrix, float *x, float *y)
transform point
vkvg_matrix_translate
void vkvg_matrix_translate(vkvg_matrix_t *matrix, float tx, float ty)
apply translation on matrix
vkvg_matrix_get_scale
void vkvg_matrix_get_scale(const vkvg_matrix_t *matrix, float *sx, float *sy)
vkvg_matrix_init
void vkvg_matrix_init(vkvg_matrix_t *matrix, float xx, float yx, float xy, float yy, float x0, float y0)
Matrix initialization.
vkvg_matrix_transform_distance
void vkvg_matrix_transform_distance(const vkvg_matrix_t *matrix, float *dx, float *dy)
transform distances
vkvg_pattern_create_radial
VkvgPattern vkvg_pattern_create_radial(float cx0, float cy0, float radius0, float cx1, float cy1, float radius1)
create a new radial gradient.
vkvg_pattern_set_matrix
void vkvg_pattern_set_matrix(VkvgPattern pat, const vkvg_matrix_t *matrix)
vkvg_pattern_set_extend
void vkvg_pattern_set_extend(VkvgPattern pat, vkvg_extend_t extend)
control the extend of the pattern
vkvg_pattern_edit_radial
vkvg_status_t vkvg_pattern_edit_radial(VkvgPattern pat, float cx0, float cy0, float radius0, float cx1, float cy1, float radius1)
edit an existing radial gradient.
vkvg_pattern_reference
VkvgPattern vkvg_pattern_reference(VkvgPattern pat)
add reference
vkvg_pattern_get_matrix
void vkvg_pattern_get_matrix(VkvgPattern pat, vkvg_matrix_t *matrix)
VkvgPattern
struct _vkvg_pattern_t * VkvgPattern
Opaque pointer on a Vkvg pattern structure.
Definition: vkvg.h:323
vkvg_pattern_get_reference_count
uint32_t vkvg_pattern_get_reference_count(VkvgPattern pat)
get reference count
vkvg_pattern_get_type
vkvg_pattern_type_t vkvg_pattern_get_type(VkvgPattern pat)
get pattern type
vkvg_pattern_get_linear_points
vkvg_status_t vkvg_pattern_get_linear_points(VkvgPattern pat, float *x0, float *y0, float *x1, float *y1)
get the gradient end points for a linear gradient
vkvg_pattern_edit_linear
vkvg_status_t vkvg_pattern_edit_linear(VkvgPattern pat, float x0, float y0, float x1, float y1)
edit an existing linear gradient.
vkvg_pattern_add_color_stop
vkvg_status_t vkvg_pattern_add_color_stop(VkvgPattern pat, float offset, float r, float g, float b, float a)
add colors to gradients
vkvg_pattern_get_color_stop_count
vkvg_status_t vkvg_pattern_get_color_stop_count(VkvgPattern pat, uint32_t *count)
get color stop count.
vkvg_pattern_create_linear
VkvgPattern vkvg_pattern_create_linear(float x0, float y0, float x1, float y1)
create a new linear gradient.
vkvg_pattern_set_filter
void vkvg_pattern_set_filter(VkvgPattern pat, vkvg_filter_t filter)
control the filtering when using this pattern on a surface.
vkvg_pattern_create_for_surface
VkvgPattern vkvg_pattern_create_for_surface(VkvgSurface surf)
create a surface pattern
vkvg_pattern_get_filter
vkvg_filter_t vkvg_pattern_get_filter(VkvgPattern pat)
vkvg_pattern_destroy
void vkvg_pattern_destroy(VkvgPattern pat)
dispose pattern.
vkvg_pattern_get_extend
vkvg_extend_t vkvg_pattern_get_extend(VkvgPattern pat)
query the current extend value for a pa
vkvg_pattern_get_color_stop_rgba
vkvg_status_t vkvg_pattern_get_color_stop_rgba(VkvgPattern pat, uint32_t index, float *offset, float *r, float *g, float *b, float *a)
get color stop.
vkvg_surface_status
vkvg_status_t vkvg_surface_status(VkvgSurface surf)
Query the current status of the surface.
vkvg_surface_reference
VkvgSurface vkvg_surface_reference(VkvgSurface surf)
Increment reference count on the surface by one.
vkvg_surface_write_to_memory
vkvg_status_t vkvg_surface_write_to_memory(VkvgSurface surf, unsigned char *const bitmap)
Save surface to memory.
vkvg_surface_destroy
void vkvg_surface_destroy(VkvgSurface surf)
Decrement the reference count on the surface by one. Destroy it if count reach 0.
vkvg_surface_get_vk_format
VkFormat vkvg_surface_get_vk_format(VkvgSurface surf)
Get the vulkan format of the vulkan texture used as backend for this surface.
vkvg_surface_get_height
uint32_t vkvg_surface_get_height(VkvgSurface surf)
Get the actual surface height.
vkvg_surface_get_vk_image
VkImage vkvg_surface_get_vk_image(VkvgSurface surf)
Get the final single sampled vulkan image of this surface.
vkvg_surface_write_to_png
vkvg_status_t vkvg_surface_write_to_png(VkvgSurface surf, const char *path)
Write surface content to a png file on disk.
vkvg_surface_create_from_image
VkvgSurface vkvg_surface_create_from_image(VkvgDevice dev, const char *filePath)
Create a new vkvg surface by loading an image file. The resulting surface will have the same dimensio...
vkvg_surface_get_width
uint32_t vkvg_surface_get_width(VkvgSurface surf)
Get the actual surface width.
vkvg_surface_create
VkvgSurface vkvg_surface_create(VkvgDevice dev, uint32_t width, uint32_t height)
Create a new vkvg surface.
vkvg_surface_resolve
void vkvg_surface_resolve(VkvgSurface surf)
Explicitly resolve a multisampled surface.
vkvg_surface_clear
void vkvg_surface_clear(VkvgSurface surf)
Clear surface's content.
vkvg_surface_create_for_VkhImage
VkvgSurface vkvg_surface_create_for_VkhImage(VkvgDevice dev, void *vkhImg)
Create a new vkvg surface using an existing vulkan texture as backend.
VkvgSurface
struct _vkvg_surface_t * VkvgSurface
Opaque pointer on a Vkvg Surface structure.
Definition: vkvg.h:308
vkvg_surface_get_reference_count
uint32_t vkvg_surface_get_reference_count(VkvgSurface surf)
Get the current reference count on this surface.
vkvg_color_t::r
float r
Definition: vkvg.h:227
vkvg_color_t::a
float a
Definition: vkvg.h:230
vkvg_color_t::b
float b
Definition: vkvg.h:229
vkvg_color_t::g
float g
Definition: vkvg.h:228
vkvg_color_t
Definition: vkvg.h:226
vkvg_font_extents_t::ascent
float ascent
Definition: vkvg.h:240
vkvg_font_extents_t::height
float height
Definition: vkvg.h:242
vkvg_font_extents_t::descent
float descent
Definition: vkvg.h:241
vkvg_font_extents_t::max_y_advance
float max_y_advance
Definition: vkvg.h:244
vkvg_font_extents_t::max_x_advance
float max_x_advance
Definition: vkvg.h:243
vkvg_font_extents_t
font metrics
Definition: vkvg.h:239
vkvg_glyph_info_t::x_offset
int32_t x_offset
Definition: vkvg.h:270
vkvg_glyph_info_t::y_offset
int32_t y_offset
Definition: vkvg.h:271
vkvg_glyph_info_t::codepoint
uint32_t codepoint
Definition: vkvg.h:273
vkvg_glyph_info_t::y_advance
int32_t y_advance
Definition: vkvg.h:269
vkvg_glyph_info_t::x_advance
int32_t x_advance
Definition: vkvg.h:268
vkvg_glyph_info_t
glyphs position in a VkvgText
Definition: vkvg.h:267
vkvg_matrix_t::x0
float x0
Definition: vkvg.h:373
vkvg_matrix_t::xy
float xy
Definition: vkvg.h:372
vkvg_matrix_t::xx
float xx
Definition: vkvg.h:371
vkvg_matrix_t
vkvg matrix structure
Definition: vkvg.h:370
vkvg_text_extents_t::y_advance
float y_advance
Definition: vkvg.h:258
vkvg_text_extents_t::x_bearing
float x_bearing
Definition: vkvg.h:253
vkvg_text_extents_t::height
float height
Definition: vkvg.h:256
vkvg_text_extents_t::y_bearing
float y_bearing
Definition: vkvg.h:254
vkvg_text_extents_t::width
float width
Definition: vkvg.h:255
vkvg_text_extents_t::x_advance
float x_advance
Definition: vkvg.h:257
vkvg_text_extents_t
text metrics
Definition: vkvg.h:252
vkvg_status_t
vkvg_status_t
vkvg operation status.
Definition: vkvg.h:119
VKVG_STATUS_PATTERN_INVALID_GRADIENT
@ VKVG_STATUS_PATTERN_INVALID_GRADIENT
Definition: vkvg.h:130
VKVG_STATUS_INVALID_RECT
@ VKVG_STATUS_INVALID_RECT
Definition: vkvg.h:134
VKVG_STATUS_PATTERN_TYPE_MISMATCH
@ VKVG_STATUS_PATTERN_TYPE_MISMATCH
Definition: vkvg.h:129
VKVG_STATUS_INVALID_INDEX
@ VKVG_STATUS_INVALID_INDEX
Definition: vkvg.h:126
VKVG_STATUS_NULL_POINTER
@ VKVG_STATUS_NULL_POINTER
Definition: vkvg.h:127
VKVG_STATUS_DEVICE_ERROR
@ VKVG_STATUS_DEVICE_ERROR
Definition: vkvg.h:136
VKVG_STATUS_INVALID_SURFACE
@ VKVG_STATUS_INVALID_SURFACE
Definition: vkvg.h:138
VKVG_STATUS_TIMEOUT
@ VKVG_STATUS_TIMEOUT
Definition: vkvg.h:135
VKVG_STATUS_INVALID_MATRIX
@ VKVG_STATUS_INVALID_MATRIX
Definition: vkvg.h:124
VKVG_STATUS_INVALID_IMAGE
@ VKVG_STATUS_INVALID_IMAGE
Definition: vkvg.h:137
VKVG_STATUS_INVALID_FORMAT
@ VKVG_STATUS_INVALID_FORMAT
Definition: vkvg.h:131
VKVG_STATUS_INVALID_FONT
@ VKVG_STATUS_INVALID_FONT
Definition: vkvg.h:139
VKVG_STATUS_WRITE_ERROR
@ VKVG_STATUS_WRITE_ERROR
Definition: vkvg.h:128
VKVG_STATUS_INVALID_DASH
@ VKVG_STATUS_INVALID_DASH
Definition: vkvg.h:133
VKVG_STATUS_INVALID_RESTORE
@ VKVG_STATUS_INVALID_RESTORE
Definition: vkvg.h:122
VKVG_STATUS_NO_MEMORY
@ VKVG_STATUS_NO_MEMORY
Definition: vkvg.h:121
VKVG_STATUS_SUCCESS
@ VKVG_STATUS_SUCCESS
Definition: vkvg.h:120
VKVG_STATUS_FILE_NOT_FOUND
@ VKVG_STATUS_FILE_NOT_FOUND
Definition: vkvg.h:132
VKVG_STATUS_NO_CURRENT_POINT
@ VKVG_STATUS_NO_CURRENT_POINT
Definition: vkvg.h:123
VKVG_STATUS_INVALID_STATUS
@ VKVG_STATUS_INVALID_STATUS
Definition: vkvg.h:125
vkvg_pattern_type_t
vkvg_pattern_type_t
pattern types
Definition: vkvg.h:181
VKVG_PATTERN_TYPE_LINEAR
@ VKVG_PATTERN_TYPE_LINEAR
Definition: vkvg.h:184
VKVG_PATTERN_TYPE_SURFACE
@ VKVG_PATTERN_TYPE_SURFACE
Definition: vkvg.h:183
VKVG_PATTERN_TYPE_MESH
@ VKVG_PATTERN_TYPE_MESH
Definition: vkvg.h:186
VKVG_PATTERN_TYPE_RADIAL
@ VKVG_PATTERN_TYPE_RADIAL
Definition: vkvg.h:185
VKVG_PATTERN_TYPE_RASTER_SOURCE
@ VKVG_PATTERN_TYPE_RASTER_SOURCE
Definition: vkvg.h:187
VKVG_PATTERN_TYPE_SOLID
@ VKVG_PATTERN_TYPE_SOLID
Definition: vkvg.h:182
vkvg_direction_t
vkvg_direction_t
Definition: vkvg.h:142
VKVG_VERTICAL
@ VKVG_VERTICAL
Definition: vkvg.h:144
VKVG_HORIZONTAL
@ VKVG_HORIZONTAL
Definition: vkvg.h:143
vkvg_operator_t
vkvg_operator_t
compositing operators
Definition: vkvg.h:834
VKVG_OPERATOR_OVER
@ VKVG_OPERATOR_OVER
Definition: vkvg.h:838
VKVG_OPERATOR_MAX
@ VKVG_OPERATOR_MAX
Definition: vkvg.h:868
VKVG_OPERATOR_CLEAR
@ VKVG_OPERATOR_CLEAR
Definition: vkvg.h:835
VKVG_OPERATOR_DIFFERENCE
@ VKVG_OPERATOR_DIFFERENCE
Definition: vkvg.h:862
VKVG_OPERATOR_SOURCE
@ VKVG_OPERATOR_SOURCE
Definition: vkvg.h:837
VkvgText
struct _vkvg_text_run_t * VkvgText
Opaque pointer on a vkvg text run.
Definition: vkvg.h:288
vkvg_line_join_t
vkvg_line_join_t
lines articulations
Definition: vkvg.h:207
VKVG_LINE_JOIN_ROUND
@ VKVG_LINE_JOIN_ROUND
Definition: vkvg.h:209
VKVG_LINE_JOIN_BEVEL
@ VKVG_LINE_JOIN_BEVEL
Definition: vkvg.h:210
VKVG_LINE_JOIN_MITER
@ VKVG_LINE_JOIN_MITER
Definition: vkvg.h:208
vkvg_fill_rule_t
vkvg_fill_rule_t
path fill method.
Definition: vkvg.h:221
VKVG_FILL_RULE_NON_ZERO
@ VKVG_FILL_RULE_NON_ZERO
Definition: vkvg.h:223
VKVG_FILL_RULE_EVEN_ODD
@ VKVG_FILL_RULE_EVEN_ODD
Definition: vkvg.h:222
vkvg_extend_t
vkvg_extend_t
pattern border policy
Definition: vkvg.h:159
VKVG_EXTEND_NONE
@ VKVG_EXTEND_NONE
Definition: vkvg.h:160
VKVG_EXTEND_PAD
@ VKVG_EXTEND_PAD
Definition: vkvg.h:163
VKVG_EXTEND_REPEAT
@ VKVG_EXTEND_REPEAT
Definition: vkvg.h:161
VKVG_EXTEND_REFLECT
@ VKVG_EXTEND_REFLECT
Definition: vkvg.h:162
vkvg_format_t
vkvg_format_t
Definition: vkvg.h:147
VKVG_FORMAT_A8
@ VKVG_FORMAT_A8
Definition: vkvg.h:150
VKVG_FORMAT_A1
@ VKVG_FORMAT_A1
Definition: vkvg.h:151
VKVG_FORMAT_ARGB32
@ VKVG_FORMAT_ARGB32
Definition: vkvg.h:148
VKVG_FORMAT_RGB24
@ VKVG_FORMAT_RGB24
Definition: vkvg.h:149
vkvg_filter_t
vkvg_filter_t
Definition: vkvg.h:167
VKVG_FILTER_BEST
@ VKVG_FILTER_BEST
Definition: vkvg.h:170
VKVG_FILTER_FAST
@ VKVG_FILTER_FAST
Definition: vkvg.h:168
VKVG_FILTER_GAUSSIAN
@ VKVG_FILTER_GAUSSIAN
Definition: vkvg.h:173
VKVG_FILTER_NEAREST
@ VKVG_FILTER_NEAREST
Definition: vkvg.h:171
VKVG_FILTER_GOOD
@ VKVG_FILTER_GOOD
Definition: vkvg.h:169
VKVG_FILTER_BILINEAR
@ VKVG_FILTER_BILINEAR
Definition: vkvg.h:172
vkvg_line_cap_t
vkvg_line_cap_t
line caps
Definition: vkvg.h:196
VKVG_LINE_CAP_SQUARE
@ VKVG_LINE_CAP_SQUARE
Definition: vkvg.h:199
VKVG_LINE_CAP_ROUND
@ VKVG_LINE_CAP_ROUND
Definition: vkvg.h:198
VKVG_LINE_CAP_BUTT
@ VKVG_LINE_CAP_BUTT
Definition: vkvg.h:197
vkvg_set_source_color_name
void vkvg_set_source_color_name(VkvgContext ctx, const char *color)
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