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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 "mask.h"
#include "api.h"
#include "handle.h"
#include "renderer.h"
#include "vg_context.h"
#include "pipe/p_context.h"
void vegaMask(VGHandle mask, VGMaskOperation operation,
VGint x, VGint y,
VGint width, VGint height)
{
struct vg_context *ctx = vg_current_context();
if (width <=0 || height <= 0) {
vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
return;
}
if (operation < VG_CLEAR_MASK || operation > VG_SUBTRACT_MASK) {
vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
return;
}
vg_validate_state(ctx);
if (operation == VG_CLEAR_MASK) {
mask_fill(x, y, width, height, 0.f);
} else if (operation == VG_FILL_MASK) {
mask_fill(x, y, width, height, 1.f);
} else if (vg_object_is_valid(mask, VG_OBJECT_IMAGE)) {
struct vg_image *image = handle_to_image(mask);
mask_using_image(image, operation, x, y, width, height);
} else if (vg_object_is_valid(mask, VG_OBJECT_MASK)) {
struct vg_mask_layer *layer = handle_to_masklayer(mask);
mask_using_layer(layer, operation, x, y, width, height);
} else {
vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
}
}
void vegaClear(VGint x, VGint y,
VGint width, VGint height)
{
struct vg_context *ctx = vg_current_context();
struct st_framebuffer *stfb = ctx->draw_buffer;
if (width <= 0 || height <= 0) {
vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
return;
}
vg_validate_state(ctx);
#if 0
debug_printf("Clear [%d, %d, %d, %d] with [%f, %f, %f, %f]\n",
x, y, width, height,
ctx->state.vg.clear_color[0],
ctx->state.vg.clear_color[1],
ctx->state.vg.clear_color[2],
ctx->state.vg.clear_color[3]);
#endif
/* check for a whole surface clear */
if (!ctx->state.vg.scissoring &&
(x == 0 && y == 0 && width == stfb->width && height == stfb->height)) {
ctx->pipe->clear(ctx->pipe, PIPE_CLEAR_COLOR | PIPE_CLEAR_DEPTHSTENCIL,
ctx->state.vg.clear_color, 1., 0);
} else if (renderer_clear_begin(ctx->renderer)) {
/* XXX verify coord round-off */
renderer_clear(ctx->renderer, x, y, width, height, ctx->state.vg.clear_color);
renderer_clear_end(ctx->renderer);
}
}
#ifdef OPENVG_VERSION_1_1
void vegaRenderToMask(VGPath path,
VGbitfield paintModes,
VGMaskOperation operation)
{
struct vg_context *ctx = vg_current_context();
if (path == VG_INVALID_HANDLE) {
vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
return;
}
if (!paintModes || (paintModes&(~(VG_STROKE_PATH|VG_FILL_PATH)))) {
vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
return;
}
if (operation < VG_CLEAR_MASK ||
operation > VG_SUBTRACT_MASK) {
vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
return;
}
if (!vg_object_is_valid(path, VG_OBJECT_PATH)) {
vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
return;
}
vg_validate_state(ctx);
mask_render_to(handle_to_path(path), paintModes, operation);
}
VGMaskLayer vegaCreateMaskLayer(VGint width, VGint height)
{
struct vg_context *ctx = vg_current_context();
if (width <= 0 || height <= 0 ||
width > vegaGeti(VG_MAX_IMAGE_WIDTH) ||
height > vegaGeti(VG_MAX_IMAGE_HEIGHT)) {
vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
return VG_INVALID_HANDLE;
}
return masklayer_to_handle(mask_layer_create(width, height));
}
void vegaDestroyMaskLayer(VGMaskLayer maskLayer)
{
struct vg_mask_layer *mask = 0;
struct vg_context *ctx = vg_current_context();
if (maskLayer == VG_INVALID_HANDLE) {
vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
return;
}
if (!vg_object_is_valid(maskLayer, VG_OBJECT_MASK)) {
vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
return;
}
mask = handle_to_masklayer(maskLayer);
mask_layer_destroy(mask);
}
void vegaFillMaskLayer(VGMaskLayer maskLayer,
VGint x, VGint y,
VGint width, VGint height,
VGfloat value)
{
struct vg_mask_layer *mask = 0;
struct vg_context *ctx = vg_current_context();
if (maskLayer == VG_INVALID_HANDLE) {
vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
return;
}
if (value < 0 || value > 1) {
vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
return;
}
if (width <= 0 || height <= 0) {
vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
return;
}
if (x < 0 || y < 0 || (x + width) < 0 || (y + height) < 0) {
vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
return;
}
if (!vg_object_is_valid(maskLayer, VG_OBJECT_MASK)) {
vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
return;
}
mask = handle_to_masklayer(maskLayer);
if (x + width > mask_layer_width(mask) ||
y + height > mask_layer_height(mask)) {
vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
return;
}
vg_validate_state(ctx);
mask_layer_fill(mask, x, y, width, height, value);
}
void vegaCopyMask(VGMaskLayer maskLayer,
VGint sx, VGint sy,
VGint dx, VGint dy,
VGint width, VGint height)
{
struct vg_context *ctx = vg_current_context();
struct vg_mask_layer *mask = 0;
if (maskLayer == VG_INVALID_HANDLE) {
vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
return;
}
if (width <= 0 || height <= 0) {
vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
return;
}
if (!vg_object_is_valid(maskLayer, VG_OBJECT_MASK)) {
vg_set_error(ctx, VG_BAD_HANDLE_ERROR);
return;
}
vg_validate_state(ctx);
mask = handle_to_masklayer(maskLayer);
mask_copy(mask, sx, sy, dx, dy, width, height);
}
#endif
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