зеркало из https://github.com/mozilla/pjs.git
199 строки
5.8 KiB
C++
199 строки
5.8 KiB
C++
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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Corporation code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2007
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Stuart Parmenter <stuart@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "gfxTypes.h"
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#include "gfxPattern.h"
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#include "gfxASurface.h"
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#include "gfxPlatform.h"
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#include "cairo.h"
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gfxPattern::gfxPattern(cairo_pattern_t *aPattern)
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{
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mPattern = cairo_pattern_reference(aPattern);
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}
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gfxPattern::gfxPattern(const gfxRGBA& aColor)
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{
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mPattern = cairo_pattern_create_rgba(aColor.r, aColor.g, aColor.b, aColor.a);
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}
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// from another surface
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gfxPattern::gfxPattern(gfxASurface *surface)
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{
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mPattern = cairo_pattern_create_for_surface(surface->CairoSurface());
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}
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// linear
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gfxPattern::gfxPattern(gfxFloat x0, gfxFloat y0, gfxFloat x1, gfxFloat y1)
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{
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mPattern = cairo_pattern_create_linear(x0, y0, x1, y1);
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}
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// radial
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gfxPattern::gfxPattern(gfxFloat cx0, gfxFloat cy0, gfxFloat radius0,
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gfxFloat cx1, gfxFloat cy1, gfxFloat radius1)
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{
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mPattern = cairo_pattern_create_radial(cx0, cy0, radius0,
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cx1, cy1, radius1);
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}
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gfxPattern::~gfxPattern()
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{
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cairo_pattern_destroy(mPattern);
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}
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cairo_pattern_t *
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gfxPattern::CairoPattern()
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{
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return mPattern;
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}
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void
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gfxPattern::AddColorStop(gfxFloat offset, const gfxRGBA& c)
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{
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if (gfxPlatform::GetCMSMode() == eCMSMode_All) {
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gfxRGBA cms;
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gfxPlatform::TransformPixel(c, cms, gfxPlatform::GetCMSRGBTransform());
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// Use the original alpha to avoid unnecessary float->byte->float
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// conversion errors
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cairo_pattern_add_color_stop_rgba(mPattern, offset,
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cms.r, cms.g, cms.b, c.a);
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}
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else
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cairo_pattern_add_color_stop_rgba(mPattern, offset, c.r, c.g, c.b, c.a);
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}
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void
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gfxPattern::SetMatrix(const gfxMatrix& matrix)
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{
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cairo_matrix_t mat = *reinterpret_cast<const cairo_matrix_t*>(&matrix);
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cairo_pattern_set_matrix(mPattern, &mat);
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}
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gfxMatrix
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gfxPattern::GetMatrix() const
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{
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cairo_matrix_t mat;
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cairo_pattern_get_matrix(mPattern, &mat);
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return gfxMatrix(*reinterpret_cast<gfxMatrix*>(&mat));
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}
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void
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gfxPattern::SetExtend(GraphicsExtend extend)
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{
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if (extend == EXTEND_PAD_EDGE) {
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if (cairo_pattern_get_type(mPattern) == CAIRO_PATTERN_TYPE_SURFACE) {
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cairo_surface_t *surf = NULL;
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cairo_pattern_get_surface (mPattern, &surf);
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if (surf) {
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switch (cairo_surface_get_type(surf)) {
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case CAIRO_SURFACE_TYPE_WIN32_PRINTING:
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case CAIRO_SURFACE_TYPE_QUARTZ:
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extend = EXTEND_NONE;
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break;
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case CAIRO_SURFACE_TYPE_WIN32:
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case CAIRO_SURFACE_TYPE_XLIB:
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default:
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extend = EXTEND_PAD;
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break;
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}
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}
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}
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// if something went wrong, or not a surface pattern, use PAD
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if (extend == EXTEND_PAD_EDGE)
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extend = EXTEND_PAD;
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}
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cairo_pattern_set_extend(mPattern, (cairo_extend_t)extend);
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}
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gfxPattern::GraphicsExtend
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gfxPattern::Extend() const
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{
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return (GraphicsExtend)cairo_pattern_get_extend(mPattern);
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}
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void
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gfxPattern::SetFilter(GraphicsFilter filter)
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{
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cairo_pattern_set_filter(mPattern, (cairo_filter_t)filter);
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}
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gfxPattern::GraphicsFilter
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gfxPattern::Filter() const
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{
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return (GraphicsFilter)cairo_pattern_get_filter(mPattern);
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}
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PRBool
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gfxPattern::GetSolidColor(gfxRGBA& aColor)
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{
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return cairo_pattern_get_rgba(mPattern,
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&aColor.r,
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&aColor.g,
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&aColor.b,
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&aColor.a) == CAIRO_STATUS_SUCCESS;
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}
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already_AddRefed<gfxASurface>
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gfxPattern::GetSurface()
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{
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cairo_surface_t *surf = nsnull;
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if (cairo_pattern_get_surface (mPattern, &surf) != CAIRO_STATUS_SUCCESS)
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return nsnull;
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return gfxASurface::Wrap(surf);
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}
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gfxPattern::GraphicsPatternType
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gfxPattern::GetType() const
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{
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return (GraphicsPatternType) cairo_pattern_get_type(mPattern);
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}
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int
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gfxPattern::CairoStatus()
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{
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return cairo_pattern_status(mPattern);
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}
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