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136 lines
4.7 KiB
C++
136 lines
4.7 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 Novell code.
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*
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* The Initial Developer of the Original Code is Novell.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* romaxa@gmail.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 "gfxQtNativeRenderer.h"
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#include "gfxContext.h"
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#include "gfxQtPlatform.h"
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#include "cairo.h"
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#include <QWidget>
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typedef struct {
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gfxQtNativeRenderer* mRenderer;
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nsresult mRV;
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} NativeRenderingClosure;
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static cairo_bool_t
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NativeRendering(void *closure,
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QWidget * drawable,
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short offset_x, short offset_y,
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QRect * rectangles, unsigned int num_rects)
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{
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NativeRenderingClosure* cl = (NativeRenderingClosure*)closure;
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nsresult rv = cl->mRenderer->
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NativeDraw(drawable, offset_x, offset_y,
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rectangles, num_rects);
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cl->mRV = rv;
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return NS_SUCCEEDED(rv);
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}
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nsresult
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gfxQtNativeRenderer::Draw(gfxContext* ctx, int width, int height,
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PRUint32 flags, DrawOutput* output)
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{
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NativeRenderingClosure closure = { this, NS_OK };
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if (output) {
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output->mSurface = NULL;
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output->mUniformAlpha = PR_FALSE;
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output->mUniformColor = PR_FALSE;
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}
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#if 0 // FIXME
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cairo_gdk_drawing_result_t result;
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// Make sure result.surface is null to start with; we rely on it
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// being non-null meaning that a surface actually got allocated.
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result.surface = NULL;
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int cairoFlags = 0;
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if (flags & DRAW_SUPPORTS_OFFSET) {
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cairoFlags |= CAIRO_GDK_DRAWING_SUPPORTS_OFFSET;
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}
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if (flags & DRAW_SUPPORTS_CLIP_RECT) {
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cairoFlags |= CAIRO_GDK_DRAWING_SUPPORTS_CLIP_RECT;
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}
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if (flags & DRAW_SUPPORTS_CLIP_LIST) {
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cairoFlags |= CAIRO_GDK_DRAWING_SUPPORTS_CLIP_LIST;
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}
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if (flags & DRAW_SUPPORTS_ALTERNATE_SCREEN) {
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cairoFlags |= CAIRO_GDK_DRAWING_SUPPORTS_ALTERNATE_SCREEN;
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}
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if (flags & DRAW_SUPPORTS_NONDEFAULT_VISUAL) {
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cairoFlags |= CAIRO_GDK_DRAWING_SUPPORTS_NONDEFAULT_VISUAL;
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}
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cairo_draw_with_gdk(ctx->GetCairo(),
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gfxPlatformGtk::GetPlatform()->GetGdkDrawable(ctx->OriginalSurface()),
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NativeRendering,
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&closure, width, height,
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(flags & DRAW_IS_OPAQUE) ? CAIRO_GDK_DRAWING_OPAQUE : CAIRO_GDK_DRAWING_TRANSPARENT,
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(cairo_gdk_drawing_support_t)cairoFlags,
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output ? &result : NULL);
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if (NS_FAILED(closure.mRV)) {
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if (result.surface) {
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NS_ASSERTION(output, "How did that happen?");
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cairo_surface_destroy (result.surface);
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}
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return closure.mRV;
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}
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if (output) {
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if (result.surface) {
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output->mSurface = gfxASurface::Wrap(result.surface);
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if (!output->mSurface) {
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cairo_surface_destroy (result.surface);
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return NS_ERROR_OUT_OF_MEMORY;
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}
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}
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output->mUniformAlpha = result.uniform_alpha;
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output->mUniformColor = result.uniform_color;
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output->mColor = gfxRGBA(result.r, result.g, result.b, result.alpha);
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}
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#endif
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return NS_OK;
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}
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