OpenVG 1.0 State Tracker
[mesa.git] / src / gallium / state_trackers / vega / api_paint.c
diff --git a/src/gallium/state_trackers/vega/api_paint.c b/src/gallium/state_trackers/vega/api_paint.c
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+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+#include "VG/openvg.h"
+
+#include "vg_context.h"
+#include "paint.h"
+#include "image.h"
+
+VGPaint vgCreatePaint(void)
+{
+   return (VGPaint) paint_create(vg_current_context());
+}
+
+void vgDestroyPaint(VGPaint p)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct vg_paint *paint;
+
+   if (p == VG_INVALID_HANDLE) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+
+   paint = (struct vg_paint *)p;
+   paint_destroy(paint);
+}
+
+void vgSetPaint(VGPaint paint, VGbitfield paintModes)
+{
+   struct vg_context *ctx = vg_current_context();
+
+   if (paint == VG_INVALID_HANDLE) {
+      /* restore the default */
+      paint = (VGPaint)ctx->default_paint;
+   } else if (!vg_object_is_valid((void*)paint, VG_OBJECT_PAINT)) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+
+   if (!(paintModes & ((VG_FILL_PATH|VG_STROKE_PATH)))) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return;
+   }
+
+   if (paintModes & VG_FILL_PATH) {
+      ctx->state.vg.fill_paint = (struct vg_paint *)paint;
+   }
+   if (paintModes & VG_STROKE_PATH) {
+      ctx->state.vg.stroke_paint = (struct vg_paint *)paint;
+   }
+}
+
+VGPaint vgGetPaint(VGPaintMode paintMode)
+{
+   struct vg_context *ctx = vg_current_context();
+   VGPaint paint = VG_INVALID_HANDLE;
+
+   if (paintMode < VG_STROKE_PATH || paintMode > VG_FILL_PATH) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return VG_INVALID_HANDLE;
+   }
+
+   if (paintMode == VG_FILL_PATH)
+      paint = (VGPaint)ctx->state.vg.fill_paint;
+   else if (paintMode == VG_STROKE_PATH)
+      paint = (VGPaint)ctx->state.vg.stroke_paint;
+
+   if (paint == (VGPaint)ctx->default_paint)
+      paint = VG_INVALID_HANDLE;
+
+   return paint;
+}
+
+void vgSetColor(VGPaint paint, VGuint rgba)
+{
+   struct vg_context *ctx = vg_current_context();
+
+   if (paint == VG_INVALID_HANDLE) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+
+   if (!vg_object_is_valid((void*)paint, VG_OBJECT_PAINT)) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+   {
+      struct vg_paint *p = (struct vg_paint *)paint;
+      paint_set_colori(p, rgba);
+   }
+}
+
+VGuint vgGetColor(VGPaint paint)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct vg_paint *p;
+   VGuint rgba = 0;
+
+   if (paint == VG_INVALID_HANDLE) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return rgba;
+   }
+
+   if (!vg_object_is_valid((void*)paint, VG_OBJECT_PAINT)) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return rgba;
+   }
+   p = (struct vg_paint *)paint;
+
+   return paint_colori(p);
+}
+
+void vgPaintPattern(VGPaint paint, VGImage pattern)
+{
+   struct vg_context *ctx = vg_current_context();
+
+   if (paint == VG_INVALID_HANDLE ||
+       !vg_context_is_object_valid(ctx, VG_OBJECT_PAINT, (void *)paint)) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+
+   if (pattern == VG_INVALID_HANDLE) {
+      paint_set_type((struct vg_paint*)paint, VG_PAINT_TYPE_COLOR);
+      return;
+   }
+
+   if (!vg_context_is_object_valid(ctx, VG_OBJECT_IMAGE, (void *)pattern)) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+
+
+   if (!vg_object_is_valid((void*)paint, VG_OBJECT_PAINT) ||
+       !vg_object_is_valid((void*)pattern, VG_OBJECT_IMAGE)) {
+      vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
+      return;
+   }
+   paint_set_pattern((struct vg_paint*)paint,
+                     (struct vg_image*)pattern);
+}
+