/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef GFXGDKNATIVERENDER_H_ #define GFXGDKNATIVERENDER_H_ #include <gdk/gdk.h> #include "nsSize.h" #ifdef MOZ_X11 #include "gfxXlibNativeRenderer.h" #endif class gfxContext; /** * This class lets us take code that draws into an GDK drawable and lets us * use it to draw into any Thebes context. The user should subclass this class, * override DrawWithGDK, and then call Draw(). The drawing will be subjected * to all Thebes transformations, clipping etc. */ class gfxGdkNativeRenderer #ifdef MOZ_X11 : private gfxXlibNativeRenderer #endif { public: /** * Perform the native drawing. * @param offsetX draw at this offset into the given drawable * @param offsetY draw at this offset into the given drawable * @param clipRects an array of rects; clip to the union * @param numClipRects the number of rects in the array, or zero if * no clipping is required */ #if (MOZ_WIDGET_GTK == 2) virtual nsresult DrawWithGDK(GdkDrawable * drawable, gint offsetX, gint offsetY, GdkRectangle * clipRects, uint32_t numClipRects) = 0; #endif enum { // If set, then Draw() is opaque, i.e., every pixel in the intersection // of the clipRect and (offset.x,offset.y,bounds.width,bounds.height) // will be set and there is no dependence on what the existing pixels // in the drawable are set to. DRAW_IS_OPAQUE = #ifdef MOZ_X11 gfxXlibNativeRenderer::DRAW_IS_OPAQUE #else 0x1 #endif // If set, then numClipRects can be zero or one. // If not set, then numClipRects will be zero. , DRAW_SUPPORTS_CLIP_RECT = #ifdef MOZ_X11 gfxXlibNativeRenderer::DRAW_SUPPORTS_CLIP_RECT #else 0x2 #endif }; /** * @param flags see above * @param bounds Draw()'s drawing is guaranteed to be restricted to * the rectangle (offset.x,offset.y,bounds.width,bounds.height) * @param dpy a display to use for the drawing if ctx doesn't have one */ #if (MOZ_WIDGET_GTK == 2) void Draw(gfxContext* ctx, mozilla::gfx::IntSize size, uint32_t flags, GdkColormap* colormap); #endif private: #ifdef MOZ_X11 // for gfxXlibNativeRenderer: virtual nsresult DrawWithXlib(cairo_surface_t* surface, nsIntPoint offset, mozilla::gfx::IntRect* clipRects, uint32_t numClipRects) override; #if (MOZ_WIDGET_GTK == 2) GdkColormap *mColormap; #endif #endif }; #endif /*GFXGDKNATIVERENDER_H_*/