| Index: chrome/browser/gtk/nine_box.cc
|
| ===================================================================
|
| --- chrome/browser/gtk/nine_box.cc (revision 71352)
|
| +++ chrome/browser/gtk/nine_box.cc (working copy)
|
| @@ -1,252 +0,0 @@
|
| -// Copyright (c) 2010 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -#include "chrome/browser/gtk/nine_box.h"
|
| -
|
| -#include "app/resource_bundle.h"
|
| -#include "base/basictypes.h"
|
| -#include "base/i18n/rtl.h"
|
| -#include "base/logging.h"
|
| -#include "gfx/gtk_util.h"
|
| -#include "gfx/point.h"
|
| -
|
| -namespace {
|
| -
|
| -// Draw pixbuf |src| into |dst| at position (x, y).
|
| -void DrawPixbuf(cairo_t* cr, GdkPixbuf* src, int x, int y, double alpha) {
|
| - gdk_cairo_set_source_pixbuf(cr, src, x, y);
|
| - cairo_paint_with_alpha(cr, alpha);
|
| -}
|
| -
|
| -// Tile pixbuf |src| across |cr| at |x|, |y| for |width| and |height|.
|
| -void TileImage(cairo_t* cr, GdkPixbuf* src,
|
| - int x, int y, int width, int height, double alpha) {
|
| - if (alpha == 1.0) {
|
| - gdk_cairo_set_source_pixbuf(cr, src, x, y);
|
| - cairo_pattern_set_extend(cairo_get_source(cr), CAIRO_EXTEND_REPEAT);
|
| - cairo_rectangle(cr, x, y, width, height);
|
| - cairo_fill(cr);
|
| - } else {
|
| - // Since there is no easy way to apply a mask to a fill operation, we create
|
| - // a secondary surface and tile into that, then paint it with |alpha|.
|
| - cairo_surface_t* surface = cairo_image_surface_create(
|
| - CAIRO_FORMAT_ARGB32, width, height);
|
| - cairo_t* tiled = cairo_create(surface);
|
| - gdk_cairo_set_source_pixbuf(tiled, src, 0, 0);
|
| - cairo_pattern_set_extend(cairo_get_source(tiled), CAIRO_EXTEND_REPEAT);
|
| - cairo_rectangle(tiled, 0, 0, width, height);
|
| - cairo_fill(tiled);
|
| -
|
| - cairo_set_source_surface(cr, surface, x, y);
|
| - cairo_paint_with_alpha(cr, alpha);
|
| -
|
| - cairo_destroy(tiled);
|
| - cairo_surface_destroy(surface);
|
| - }
|
| -}
|
| -
|
| -} // namespace
|
| -
|
| -NineBox::NineBox(int top_left, int top, int top_right, int left, int center,
|
| - int right, int bottom_left, int bottom, int bottom_right)
|
| - : unref_pixbufs_on_destroy_(false) {
|
| - ResourceBundle& rb = ResourceBundle::GetSharedInstance();
|
| - images_[0] = top_left ? rb.GetPixbufNamed(top_left) : NULL;
|
| - images_[1] = top ? rb.GetPixbufNamed(top) : NULL;
|
| - images_[2] = top_right ? rb.GetPixbufNamed(top_right) : NULL;
|
| - images_[3] = left ? rb.GetPixbufNamed(left) : NULL;
|
| - images_[4] = center ? rb.GetPixbufNamed(center) : NULL;
|
| - images_[5] = right ? rb.GetPixbufNamed(right) : NULL;
|
| - images_[6] = bottom_left ? rb.GetPixbufNamed(bottom_left) : NULL;
|
| - images_[7] = bottom ? rb.GetPixbufNamed(bottom) : NULL;
|
| - images_[8] = bottom_right ? rb.GetPixbufNamed(bottom_right) : NULL;
|
| -}
|
| -
|
| -NineBox::NineBox(int image, int top_margin, int bottom_margin, int left_margin,
|
| - int right_margin)
|
| - : unref_pixbufs_on_destroy_(true) {
|
| - ResourceBundle& rb = ResourceBundle::GetSharedInstance();
|
| - GdkPixbuf* pixbuf = rb.GetPixbufNamed(image);
|
| - int width = gdk_pixbuf_get_width(pixbuf);
|
| - int height = gdk_pixbuf_get_height(pixbuf);
|
| - int inset_width = left_margin + right_margin;
|
| - int inset_height = top_margin + bottom_margin;
|
| -
|
| - images_[0] = gdk_pixbuf_new_subpixbuf(pixbuf, 0, 0, left_margin, top_margin);
|
| - images_[1] = gdk_pixbuf_new_subpixbuf(pixbuf, left_margin, 0,
|
| - width - inset_width, top_margin);
|
| - images_[2] = gdk_pixbuf_new_subpixbuf(pixbuf, width - right_margin, 0,
|
| - right_margin, top_margin);
|
| - images_[3] = gdk_pixbuf_new_subpixbuf(pixbuf, 0, top_margin,
|
| - left_margin, height - inset_height);
|
| - images_[4] = gdk_pixbuf_new_subpixbuf(pixbuf, left_margin, top_margin,
|
| - width - inset_width,
|
| - height - inset_height);
|
| - images_[5] = gdk_pixbuf_new_subpixbuf(pixbuf, width - right_margin,
|
| - top_margin, right_margin,
|
| - height - inset_height);
|
| - images_[6] = gdk_pixbuf_new_subpixbuf(pixbuf, 0, height - bottom_margin,
|
| - left_margin, bottom_margin);
|
| - images_[7] = gdk_pixbuf_new_subpixbuf(pixbuf, left_margin,
|
| - height - bottom_margin,
|
| - width - inset_width, bottom_margin);
|
| - images_[8] = gdk_pixbuf_new_subpixbuf(pixbuf, width - right_margin,
|
| - height - bottom_margin,
|
| - right_margin, bottom_margin);
|
| -}
|
| -
|
| -NineBox::~NineBox() {
|
| - if (unref_pixbufs_on_destroy_) {
|
| - for (int i = 0; i < 9; i++) {
|
| - g_object_unref(images_[i]);
|
| - }
|
| - }
|
| -}
|
| -
|
| -void NineBox::RenderToWidget(GtkWidget* dst) const {
|
| - RenderToWidgetWithOpacity(dst, 1.0);
|
| -}
|
| -
|
| -void NineBox::RenderToWidgetWithOpacity(GtkWidget* dst, double opacity) const {
|
| - int dst_width = dst->allocation.width;
|
| - int dst_height = dst->allocation.height;
|
| -
|
| - // The upper-left and lower-right corners of the center square in the
|
| - // rendering of the ninebox.
|
| - int x1 = gdk_pixbuf_get_width(images_[0]);
|
| - int y1 = gdk_pixbuf_get_height(images_[0]);
|
| - int x2 = images_[2] ? dst_width - gdk_pixbuf_get_width(images_[2]) : x1;
|
| - int y2 = images_[6] ? dst_height - gdk_pixbuf_get_height(images_[6]) : y1;
|
| - // Paint nothing if there's not enough room.
|
| - if (x2 < x1 || y2 < y1)
|
| - return;
|
| -
|
| - cairo_t* cr = gdk_cairo_create(GDK_DRAWABLE(dst->window));
|
| - // For widgets that have their own window, the allocation (x,y) coordinates
|
| - // are GdkWindow relative. For other widgets, the coordinates are relative
|
| - // to their container.
|
| - if (GTK_WIDGET_NO_WINDOW(dst)) {
|
| - // Transform our cairo from window to widget coordinates.
|
| - cairo_translate(cr, dst->allocation.x, dst->allocation.y);
|
| - }
|
| -
|
| - if (base::i18n::IsRTL()) {
|
| - cairo_translate(cr, dst_width, 0.0f);
|
| - cairo_scale(cr, -1.0f, 1.0f);
|
| - }
|
| -
|
| - // Top row, center image is horizontally tiled.
|
| - if (images_[0])
|
| - DrawPixbuf(cr, images_[0], 0, 0, opacity);
|
| - if (images_[1])
|
| - TileImage(cr, images_[1], x1, 0, x2 - x1, y1, opacity);
|
| - if (images_[2])
|
| - DrawPixbuf(cr, images_[2], x2, 0, opacity);
|
| -
|
| - // Center row, all images are vertically tiled, center is horizontally tiled.
|
| - if (images_[3])
|
| - TileImage(cr, images_[3], 0, y1, x1, y2 - y1, opacity);
|
| - if (images_[4])
|
| - TileImage(cr, images_[4], x1, y1, x2 - x1, y2 - y1, opacity);
|
| - if (images_[5])
|
| - TileImage(cr, images_[5], x2, y1, dst_width - x2, y2 - y1, opacity);
|
| -
|
| - // Bottom row, center image is horizontally tiled.
|
| - if (images_[6])
|
| - DrawPixbuf(cr, images_[6], 0, y2, opacity);
|
| - if (images_[7])
|
| - TileImage(cr, images_[7], x1, y2, x2 - x1, dst_height - y2, opacity);
|
| - if (images_[8])
|
| - DrawPixbuf(cr, images_[8], x2, y2, opacity);
|
| -
|
| - cairo_destroy(cr);
|
| -}
|
| -
|
| -void NineBox::RenderTopCenterStrip(cairo_t* cr, int x, int y,
|
| - int width) const {
|
| - const int height = gdk_pixbuf_get_height(images_[1]);
|
| - TileImage(cr, images_[1], x, y, width, height, 1.0);
|
| -}
|
| -
|
| -void NineBox::ChangeWhiteToTransparent() {
|
| - for (int image_idx = 0; image_idx < 9; ++image_idx) {
|
| - GdkPixbuf* pixbuf = images_[image_idx];
|
| - if (!pixbuf)
|
| - continue;
|
| -
|
| - if (!gdk_pixbuf_get_has_alpha(pixbuf))
|
| - continue;
|
| -
|
| - guchar* pixels = gdk_pixbuf_get_pixels(pixbuf);
|
| - int rowstride = gdk_pixbuf_get_rowstride(pixbuf);
|
| - int width = gdk_pixbuf_get_width(pixbuf);
|
| - int height = gdk_pixbuf_get_height(pixbuf);
|
| -
|
| - if (width * 4 > rowstride) {
|
| - NOTREACHED();
|
| - continue;
|
| - }
|
| -
|
| - for (int i = 0; i < height; ++i) {
|
| - for (int j = 0; j < width; ++j) {
|
| - guchar* pixel = &pixels[i * rowstride + j * 4];
|
| - if (pixel[0] == 0xff && pixel[1] == 0xff && pixel[2] == 0xff) {
|
| - pixel[3] = 0;
|
| - }
|
| - }
|
| - }
|
| - }
|
| -}
|
| -
|
| -void NineBox::ContourWidget(GtkWidget* widget) const {
|
| - int width = widget->allocation.width;
|
| - int height = widget->allocation.height;
|
| - int x1 = gdk_pixbuf_get_width(images_[0]);
|
| - int x2 = width - gdk_pixbuf_get_width(images_[2]);
|
| -
|
| - // Paint the left and right sides.
|
| - GdkBitmap* mask = gdk_pixmap_new(NULL, width, height, 1);
|
| - gdk_pixbuf_render_threshold_alpha(images_[0], mask,
|
| - 0, 0,
|
| - 0, 0, -1, -1,
|
| - 1);
|
| - gdk_pixbuf_render_threshold_alpha(images_[2], mask,
|
| - 0, 0,
|
| - x2, 0, -1, -1,
|
| - 1);
|
| -
|
| - // Assume no transparency in the middle rectangle.
|
| - cairo_t* cr = gdk_cairo_create(mask);
|
| - cairo_rectangle(cr, x1, 0, x2 - x1, height);
|
| - cairo_fill(cr);
|
| - cairo_destroy(cr);
|
| -
|
| - // Mask the widget's window's shape.
|
| - if (!base::i18n::IsRTL()) {
|
| - gtk_widget_shape_combine_mask(widget, mask, 0, 0);
|
| - } else {
|
| - GdkBitmap* flipped_mask = gdk_pixmap_new(NULL, width, height, 1);
|
| - cairo_t* flipped_cr = gdk_cairo_create(flipped_mask);
|
| -
|
| - // Clear the target bitmap.
|
| - cairo_set_operator(flipped_cr, CAIRO_OPERATOR_CLEAR);
|
| - cairo_paint(flipped_cr);
|
| -
|
| - // Apply flipping transformation.
|
| - cairo_translate(flipped_cr, width, 0.0f);
|
| - cairo_scale(flipped_cr, -1.0f, 1.0f);
|
| -
|
| - // Paint the source bitmap onto the target.
|
| - cairo_set_operator(flipped_cr, CAIRO_OPERATOR_SOURCE);
|
| - gdk_cairo_set_source_pixmap(flipped_cr, mask, 0, 0);
|
| - cairo_paint(flipped_cr);
|
| - cairo_destroy(flipped_cr);
|
| -
|
| - // Mask the widget.
|
| - gtk_widget_shape_combine_mask(widget, flipped_mask, 0, 0);
|
| - g_object_unref(flipped_mask);
|
| - }
|
| -
|
| - g_object_unref(mask);
|
| -}
|
|
|