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- // Copyright (c) 2011 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 "printing/page_setup.h"
- #include <stdlib.h>
- #include <time.h>
- #include <algorithm>
- #include "testing/gtest/include/gtest/gtest.h"
- namespace printing {
- TEST(PageSetupTest, Random) {
- time_t seed = time(NULL);
- int kMax = 10;
- srand(static_cast<unsigned>(seed));
- // Margins.
- PageMargins margins;
- margins.header = rand() % kMax;
- margins.footer = rand() % kMax;
- margins.left = rand() % kMax;
- margins.top = rand() % kMax;
- margins.right = rand() % kMax;
- margins.bottom = rand() % kMax;
- int kTextHeight = rand() % kMax;
- // Page description.
- gfx::Size page_size(100 + rand() % kMax, 200 + rand() % kMax);
- gfx::Rect printable_area(rand() % kMax, rand() % kMax, 0, 0);
- printable_area.set_width(page_size.width() - (rand() % kMax) -
- printable_area.x());
- printable_area.set_height(page_size.height() - (rand() % kMax) -
- printable_area.y());
- // Make the calculations.
- PageSetup setup;
- setup.SetRequestedMargins(margins);
- setup.Init(page_size, printable_area, kTextHeight);
- // Calculate the effective margins.
- PageMargins effective_margins;
- effective_margins.header = std::max(margins.header, printable_area.y());
- effective_margins.left = std::max(margins.left, printable_area.x());
- effective_margins.top =
- std::max(margins.top, effective_margins.header + kTextHeight);
- effective_margins.footer =
- std::max(margins.footer, page_size.height() - printable_area.bottom());
- effective_margins.right =
- std::max(margins.right, page_size.width() - printable_area.right());
- effective_margins.bottom =
- std::max(margins.bottom, effective_margins.footer + kTextHeight);
- // Calculate the overlay area.
- gfx::Rect overlay_area(
- effective_margins.left, effective_margins.header,
- page_size.width() - effective_margins.right - effective_margins.left,
- page_size.height() - effective_margins.footer - effective_margins.header);
- // Calculate the content area.
- gfx::Rect content_area(
- overlay_area.x(), effective_margins.top, overlay_area.width(),
- page_size.height() - effective_margins.bottom - effective_margins.top);
- // Test values.
- EXPECT_EQ(page_size, setup.physical_size())
- << seed << " " << page_size.ToString() << " " << printable_area.ToString()
- << " " << kTextHeight;
- EXPECT_EQ(overlay_area, setup.overlay_area())
- << seed << " " << page_size.ToString() << " " << printable_area.ToString()
- << " " << kTextHeight;
- EXPECT_EQ(content_area, setup.content_area())
- << seed << " " << page_size.ToString() << " " << printable_area.ToString()
- << " " << kTextHeight;
- EXPECT_EQ(effective_margins.header, setup.effective_margins().header)
- << seed << " " << page_size.ToString() << " " << printable_area.ToString()
- << " " << kTextHeight;
- EXPECT_EQ(effective_margins.footer, setup.effective_margins().footer)
- << seed << " " << page_size.ToString() << " " << printable_area.ToString()
- << " " << kTextHeight;
- EXPECT_EQ(effective_margins.left, setup.effective_margins().left)
- << seed << " " << page_size.ToString() << " " << printable_area.ToString()
- << " " << kTextHeight;
- EXPECT_EQ(effective_margins.top, setup.effective_margins().top)
- << seed << " " << page_size.ToString() << " " << printable_area.ToString()
- << " " << kTextHeight;
- EXPECT_EQ(effective_margins.right, setup.effective_margins().right)
- << seed << " " << page_size.ToString() << " " << printable_area.ToString()
- << " " << kTextHeight;
- EXPECT_EQ(effective_margins.bottom, setup.effective_margins().bottom)
- << seed << " " << page_size.ToString() << " " << printable_area.ToString()
- << " " << kTextHeight;
- }
- TEST(PageSetupTest, HardCoded) {
- // Margins.
- PageMargins margins;
- margins.header = 2;
- margins.footer = 2;
- margins.left = 4;
- margins.top = 4;
- margins.right = 4;
- margins.bottom = 4;
- int kTextHeight = 3;
- // Page description.
- gfx::Size page_size(100, 100);
- gfx::Rect printable_area(3, 3, 94, 94);
- // Make the calculations.
- PageSetup setup;
- setup.SetRequestedMargins(margins);
- setup.Init(page_size, printable_area, kTextHeight);
- // Calculate the effective margins.
- PageMargins effective_margins;
- effective_margins.header = 3;
- effective_margins.left = 4;
- effective_margins.top = 6;
- effective_margins.footer = 3;
- effective_margins.right = 4;
- effective_margins.bottom = 6;
- // Calculate the overlay area.
- gfx::Rect overlay_area(4, 3, 92, 94);
- // Calculate the content area.
- gfx::Rect content_area(4, 6, 92, 88);
- // Test values.
- EXPECT_EQ(page_size, setup.physical_size())
- << " " << page_size.ToString() << " " << printable_area.ToString() << " "
- << kTextHeight;
- EXPECT_EQ(overlay_area, setup.overlay_area())
- << " " << page_size.ToString() << " " << printable_area.ToString() << " "
- << kTextHeight;
- EXPECT_EQ(content_area, setup.content_area())
- << " " << page_size.ToString() << " " << printable_area.ToString() << " "
- << kTextHeight;
- EXPECT_EQ(effective_margins.header, setup.effective_margins().header)
- << " " << page_size.ToString() << " " << printable_area.ToString() << " "
- << kTextHeight;
- EXPECT_EQ(effective_margins.footer, setup.effective_margins().footer)
- << " " << page_size.ToString() << " " << printable_area.ToString() << " "
- << kTextHeight;
- EXPECT_EQ(effective_margins.left, setup.effective_margins().left)
- << " " << page_size.ToString() << " " << printable_area.ToString() << " "
- << kTextHeight;
- EXPECT_EQ(effective_margins.top, setup.effective_margins().top)
- << " " << page_size.ToString() << " " << printable_area.ToString() << " "
- << kTextHeight;
- EXPECT_EQ(effective_margins.right, setup.effective_margins().right)
- << " " << page_size.ToString() << " " << printable_area.ToString() << " "
- << kTextHeight;
- EXPECT_EQ(effective_margins.bottom, setup.effective_margins().bottom)
- << " " << page_size.ToString() << " " << printable_area.ToString() << " "
- << kTextHeight;
- }
- TEST(PageSetupTest, OutOfRangeMargins) {
- PageMargins margins;
- margins.header = 0;
- margins.footer = 0;
- margins.left = -10;
- margins.top = -11;
- margins.right = -12;
- margins.bottom = -13;
- gfx::Size page_size(100, 100);
- gfx::Rect printable_area(1, 2, 96, 94);
- // Make the calculations.
- PageSetup setup;
- setup.SetRequestedMargins(margins);
- setup.Init(page_size, printable_area, 0);
- EXPECT_EQ(setup.effective_margins().left, 1);
- EXPECT_EQ(setup.effective_margins().top, 2);
- EXPECT_EQ(setup.effective_margins().right, 3);
- EXPECT_EQ(setup.effective_margins().bottom, 4);
- setup.ForceRequestedMargins(margins);
- EXPECT_EQ(setup.effective_margins().left, 0);
- EXPECT_EQ(setup.effective_margins().top, 0);
- EXPECT_EQ(setup.effective_margins().right, 0);
- EXPECT_EQ(setup.effective_margins().bottom, 0);
- }
- TEST(PageSetupTest, FlipOrientation) {
- // Margins.
- PageMargins margins;
- margins.header = 2;
- margins.footer = 3;
- margins.left = 4;
- margins.top = 14;
- margins.right = 6;
- margins.bottom = 7;
- int kTextHeight = 5;
- // Page description.
- gfx::Size page_size(100, 70);
- gfx::Rect printable_area(8, 9, 92, 50);
- // Make the calculations.
- PageSetup setup;
- setup.SetRequestedMargins(margins);
- setup.Init(page_size, printable_area, kTextHeight);
- gfx::Rect overlay_area(8, 9, 86, 50);
- gfx::Rect content_area(8, 14, 86, 40);
- EXPECT_EQ(page_size, setup.physical_size());
- EXPECT_EQ(overlay_area, setup.overlay_area());
- EXPECT_EQ(content_area, setup.content_area());
- EXPECT_EQ(setup.effective_margins().left, 8);
- EXPECT_EQ(setup.effective_margins().top, 14);
- EXPECT_EQ(setup.effective_margins().right, 6);
- EXPECT_EQ(setup.effective_margins().bottom, 16);
- // Flip the orientation
- setup.FlipOrientation();
- // Expected values.
- gfx::Size flipped_page_size(70, 100);
- gfx::Rect flipped_printable_area(9, 0, 50, 92);
- gfx::Rect flipped_overlay_area(9, 2, 50, 90);
- gfx::Rect flipped_content_area(9, 14, 50, 73);
- // Test values.
- EXPECT_EQ(flipped_page_size, setup.physical_size());
- EXPECT_EQ(flipped_overlay_area, setup.overlay_area());
- EXPECT_EQ(flipped_content_area, setup.content_area());
- EXPECT_EQ(flipped_printable_area, setup.printable_area());
- // Margin values are updated as per the flipped values.
- EXPECT_EQ(setup.effective_margins().left, 9);
- EXPECT_EQ(setup.effective_margins().top, 14);
- EXPECT_EQ(setup.effective_margins().right, 11);
- EXPECT_EQ(setup.effective_margins().bottom, 13);
- // Force requested margins and flip the orientation.
- setup.Init(page_size, printable_area, kTextHeight);
- setup.ForceRequestedMargins(margins);
- EXPECT_EQ(setup.effective_margins().left, 4);
- EXPECT_EQ(setup.effective_margins().top, 14);
- EXPECT_EQ(setup.effective_margins().right, 6);
- EXPECT_EQ(setup.effective_margins().bottom, 7);
- // Flip the orientation
- setup.FlipOrientation();
- // Expected values.
- gfx::Rect new_printable_area(9, 0, 50, 92);
- gfx::Rect new_overlay_area(4, 2, 60, 95);
- gfx::Rect new_content_area(4, 14, 60, 79);
- // Test values.
- EXPECT_EQ(flipped_page_size, setup.physical_size());
- EXPECT_EQ(new_overlay_area, setup.overlay_area());
- EXPECT_EQ(new_content_area, setup.content_area());
- EXPECT_EQ(new_printable_area, setup.printable_area());
- // Margins values are changed respectively.
- EXPECT_EQ(setup.effective_margins().left, 4);
- EXPECT_EQ(setup.effective_margins().top, 14);
- EXPECT_EQ(setup.effective_margins().right, 6);
- EXPECT_EQ(setup.effective_margins().bottom, 7);
- }
- TEST(PageSetupTest, GetSymmetricalPrintableArea) {
- gfx::Rect printable_area = PageSetup::GetSymmetricalPrintableArea(
- gfx::Size(612, 792), gfx::Rect(0, 0, 560, 750));
- EXPECT_EQ(gfx::Rect(52, 42, 508, 708), printable_area);
- printable_area = PageSetup::GetSymmetricalPrintableArea(
- gfx::Size(612, 792), gfx::Rect(50, 60, 550, 700));
- EXPECT_EQ(gfx::Rect(50, 60, 512, 672), printable_area);
- printable_area = PageSetup::GetSymmetricalPrintableArea(
- gfx::Size(612, 792), gfx::Rect(-1, 60, 520, 700));
- EXPECT_EQ(gfx::Rect(), printable_area);
- printable_area = PageSetup::GetSymmetricalPrintableArea(
- gfx::Size(612, 792), gfx::Rect(50, -1, 520, 700));
- EXPECT_EQ(gfx::Rect(), printable_area);
- printable_area = PageSetup::GetSymmetricalPrintableArea(
- gfx::Size(612, 792), gfx::Rect(100, 60, 520, 700));
- EXPECT_EQ(gfx::Rect(), printable_area);
- printable_area = PageSetup::GetSymmetricalPrintableArea(
- gfx::Size(612, 792), gfx::Rect(50, 100, 520, 700));
- EXPECT_EQ(gfx::Rect(), printable_area);
- printable_area = PageSetup::GetSymmetricalPrintableArea(
- gfx::Size(612, 792), gfx::Rect(400, 60, 212, 700));
- EXPECT_EQ(gfx::Rect(), printable_area);
- printable_area = PageSetup::GetSymmetricalPrintableArea(
- gfx::Size(612, 792), gfx::Rect(40, 600, 212, 192));
- EXPECT_EQ(gfx::Rect(), printable_area);
- }
- } // namespace printing
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