gdiplus: Add more tests for GdipMeasureString using device with custom resolution.
This commit is contained in:
Dmitry Timoshkov
Alexandre Julliard
parent
6f6217e9a4
commit
b953011f9e
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@ -2,6 +2,7 @@
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* Unit test suite for graphics objects
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*
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* Copyright (C) 2007 Google (Evan Stade)
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* Copyright (C) 2012 Dmitry Timoshkov
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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@ -18,19 +19,119 @@
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <math.h>
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#include <assert.h>
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#include "windows.h"
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#include "gdiplus.h"
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#include "wingdi.h"
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#include "wine/test.h"
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#include <math.h>
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#define expect(expected, got) ok((got) == (expected), "Expected %d, got %d\n", (INT)(expected), (INT)(got))
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#define expectf_(expected, got, precision) ok(fabs((expected) - (got)) < (precision), "Expected %f, got %f\n", (expected), (got))
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#define expectf_(expected, got, precision) ok(fabs((expected) - (got)) <= (precision), "Expected %f, got %f\n", (expected), (got))
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#define expectf(expected, got) expectf_((expected), (got), 0.001)
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#define TABLE_LEN (23)
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static const REAL mm_per_inch = 25.4;
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static const REAL point_per_inch = 72.0;
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static HWND hwnd;
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/* converts a given unit to its value in pixels */
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static REAL units_to_pixels(REAL units, GpUnit unit, REAL dpi)
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{
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switch (unit)
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{
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case UnitPixel:
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case UnitDisplay:
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return units;
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case UnitPoint:
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return units * dpi / point_per_inch;
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case UnitInch:
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return units * dpi;
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case UnitDocument:
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return units * dpi / 300.0; /* Per MSDN */
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case UnitMillimeter:
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return units * dpi / mm_per_inch;
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default:
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assert(0);
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return 0;
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}
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}
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/* converts value in pixels to a given unit */
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REAL pixels_to_units(REAL pixels, GpUnit unit, REAL dpi)
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{
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switch (unit)
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{
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case UnitPixel:
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case UnitDisplay:
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return pixels;
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case UnitPoint:
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return pixels * point_per_inch / dpi;
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case UnitInch:
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return pixels / dpi;
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case UnitDocument:
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return pixels * 300.0 / dpi;
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case UnitMillimeter:
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return pixels * mm_per_inch / dpi;
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default:
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assert(0);
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return 0;
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}
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}
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static REAL units_scale(GpUnit from, GpUnit to, REAL dpi)
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{
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REAL pixels = units_to_pixels(1.0, from, dpi);
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return pixels_to_units(pixels, to, dpi);
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}
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static GpGraphics *create_graphics(REAL res_x, REAL res_y, GpUnit unit, REAL scale)
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{
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GpStatus status;
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union
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{
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GpBitmap *bitmap;
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GpImage *image;
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} u;
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GpGraphics *graphics = NULL;
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REAL res;
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status = GdipCreateBitmapFromScan0(1, 1, 4, PixelFormat24bppRGB, NULL, &u.bitmap);
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expect(Ok, status);
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status = GdipBitmapSetResolution(u.bitmap, res_x, res_y);
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expect(Ok, status);
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status = GdipGetImageHorizontalResolution(u.image, &res);
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expect(Ok, status);
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expectf(res_x, res);
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status = GdipGetImageVerticalResolution(u.image, &res);
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expect(Ok, status);
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expectf(res_y, res);
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status = GdipGetImageGraphicsContext(u.image, &graphics);
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expect(Ok, status);
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/* image is intentionally leaked to make sure that there is no
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side effects after its destruction.
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status = GdipDisposeImage(u.image);
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expect(Ok, status);
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*/
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status = GdipGetDpiX(graphics, &res);
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expect(Ok, status);
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expectf(res_x, res);
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status = GdipGetDpiY(graphics, &res);
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expect(Ok, status);
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expectf(res_y, res);
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status = GdipSetPageUnit(graphics, unit);
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expect(Ok, status);
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status = GdipSetPageScale(graphics, scale);
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expect(Ok, status);
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return graphics;
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}
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static void test_constructor_destructor(void)
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{
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GpStatus stat;
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@ -3306,139 +3407,244 @@ static void test_getdc_scaled(void)
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static void test_GdipMeasureString(void)
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{
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static const WCHAR fontname[] = { 'T','a','h','o','m','a',0 };
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static const struct test_data
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{
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REAL res_x, res_y, page_scale;
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GpUnit unit;
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} td[] =
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{
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{ 200.0, 200.0, 1.0, UnitPixel }, /* base */
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{ 200.0, 200.0, 2.0, UnitPixel },
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{ 200.0, 200.0, 1.0, UnitDisplay },
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{ 200.0, 200.0, 2.0, UnitDisplay },
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{ 200.0, 200.0, 1.0, UnitInch },
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{ 200.0, 200.0, 2.0, UnitInch },
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{ 200.0, 600.0, 1.0, UnitPoint },
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{ 200.0, 600.0, 2.0, UnitPoint },
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{ 200.0, 600.0, 1.0, UnitDocument },
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{ 200.0, 600.0, 2.0, UnitDocument },
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{ 200.0, 600.0, 1.0, UnitMillimeter },
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{ 200.0, 600.0, 2.0, UnitMillimeter },
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{ 200.0, 600.0, 1.0, UnitDisplay },
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{ 200.0, 600.0, 2.0, UnitDisplay },
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{ 200.0, 600.0, 1.0, UnitPixel },
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{ 200.0, 600.0, 2.0, UnitPixel },
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};
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static const WCHAR tahomaW[] = { 'T','a','h','o','m','a',0 };
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static const WCHAR string[] = { '1','2','3','4','5','6','7',0 };
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GpStatus status;
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GpGraphics *graphics;
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GpFontFamily *family;
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GpFont *font;
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HDC hdc;
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GpStringFormat *format;
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RectF bounds, rc = { 0.0, 0.0, 0.0, 0.0 };
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REAL rval, dpi;
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RectF bounds, rc, empty_rc = { 0.0, 0.0, 0.0, 0.0 };
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REAL base_cx = 0, base_cy = 0, height;
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INT chars, lines;
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LOGFONTW lf;
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HDC display;
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UINT i, font_dpi;
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REAL font_to_pixel_scale, font_size;
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GpUnit font_unit, unit;
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display = CreateCompatibleDC(0);
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ok(display != 0, "CreateCompatibleDC failed\n");
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font_dpi = GetDeviceCaps(display, LOGPIXELSY);
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DeleteDC(display);
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hdc = CreateCompatibleDC(0);
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ok(hdc != 0, "CreateCompatibleDC failed\n");
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status = GdipCreateFromHDC(hdc, &graphics);
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expect(Ok, status);
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status = GdipGetDpiY(graphics, &dpi);
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expect(Ok, status);
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status = GdipCreateFontFamilyFromName(fontname, NULL, &family);
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expect(Ok, status);
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status = GdipCreateFont(family, 18.0, FontStyleRegular, UnitPoint, &font);
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expect(Ok, status);
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status = GdipCreateStringFormat(0, LANG_NEUTRAL, &format);
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expect(Ok, status);
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status = GdipCreateFontFamilyFromName(tahomaW, NULL, &family);
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expect(Ok, status);
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if (dpi == 96.0)
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font_to_pixel_scale = units_scale(UnitPoint, UnitPixel, font_dpi);
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trace("font to pixel, %u dpi => unit_scale %f\n", font_dpi, font_to_pixel_scale);
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/* font size in pixels */
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status = GdipCreateFont(family, 100.0, FontStyleRegular, UnitPixel, &font);
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expect(Ok, status);
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status = GdipGetFontSize(font, &font_size);
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expect(Ok, status);
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expectf(100.0, font_size);
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status = GdipGetFontUnit(font, &font_unit);
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expect(Ok, status);
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expect(UnitPixel, font_unit);
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for (i = 0; i < sizeof(td)/sizeof(td[0]); i++)
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{
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status = GdipSetPageUnit(graphics, UnitDisplay);
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graphics = create_graphics(td[i].res_x, td[i].res_y, td[i].unit, td[i].page_scale);
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lf.lfHeight = 0xdeadbeef;
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status = GdipGetLogFontW(font, graphics, &lf);
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expect(Ok, status);
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height = units_to_pixels(font_size, td[i].unit, td[i].res_y);
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if (td[i].unit != UnitDisplay)
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height *= td[i].page_scale;
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/* FIXME: remove once Wine is fixed */
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if (td[i].unit == UnitDisplay || (td[i].unit == UnitPixel && td[i].page_scale == 1.0))
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ok(-lf.lfHeight == (LONG)(height + 0.5), "%u: expected %d (%f), got %d\n",
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i, (LONG)(height + 0.5), height, lf.lfHeight);
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else
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{
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todo_wine
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ok(-lf.lfHeight == (LONG)(height + 0.5), "%u: expected %d (%f), got %d\n",
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i, (LONG)(height + 0.5), height, lf.lfHeight);
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/* further testing is useless */
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GdipDeleteGraphics(graphics);
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continue;
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}
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height = font_size * font_to_pixel_scale;
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rc = empty_rc;
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bounds = empty_rc;
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status = GdipMeasureString(graphics, string, -1, font, &rc, format, &bounds, &chars, &lines);
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expect(Ok, status);
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status = GdipGetFontHeightGivenDPI(font, dpi, &rval);
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expect(Ok, status);
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expectf(28.968750, rval);
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if (i == 0)
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{
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base_cx = bounds.Width;
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base_cy = bounds.Height;
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}
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status = GdipGetFontHeight(font, graphics, &rval);
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expect(Ok, status);
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expectf(28.968750, rval);
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status = GdipGetFontSize(font, &rval);
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expect(Ok, status);
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expectf(18.0, rval);
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/* FIXME: remove once Wine is fixed */
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if (fabs(height - bounds.Height) > height / 100.0)
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{
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/* further testing is useless */
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GdipDeleteGraphics(graphics);
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continue;
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}
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status = GdipMeasureString(graphics, string, -1, font, &rc, format, &bounds, NULL, NULL);
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expect(Ok, status);
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expectf(0.0, bounds.X);
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expectf(0.0, bounds.Y);
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expectf_(102.499985, bounds.Width, 11.5);
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expectf_(31.968744, bounds.Height, 3.1);
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expectf_(height, bounds.Height, height / 100.0);
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expectf_(bounds.Height / base_cy, bounds.Width / base_cx, 0.05);
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expect(7, chars);
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expect(1, lines);
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/* make sure it really fits */
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bounds.Width += 1.0;
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bounds.Height += 1.0;
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rc = bounds;
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rc.X = 50.0;
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rc.Y = 50.0;
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bounds = empty_rc;
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status = GdipMeasureString(graphics, string, -1, font, &rc, format, &bounds, &chars, &lines);
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expect(Ok, status);
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expectf(50.0, bounds.X);
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expectf(50.0, bounds.Y);
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expectf_(height, bounds.Height, height / 100.0);
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expectf_(bounds.Height / base_cy, bounds.Width / base_cx, 0.05);
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expect(7, chars);
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expect(1, lines);
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status = GdipDeleteGraphics(graphics);
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expect(Ok, status);
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}
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else
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skip("screen resolution %f dpi, test runs at 96 dpi\n", dpi);
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status = GdipSetPageUnit(graphics, UnitPoint);
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expect(Ok, status);
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status = GdipGetFontHeight(font, graphics, &rval);
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expect(Ok, status);
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expectf(21.726563, rval);
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status = GdipGetFontSize(font, &rval);
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expect(Ok, status);
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expectf(18.0, rval);
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status = GdipMeasureString(graphics, string, -1, font, &rc, format, &bounds, NULL, NULL);
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expect(Ok, status);
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expectf(0.0, bounds.X);
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expectf(0.0, bounds.Y);
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expectf_(76.875000, bounds.Width, 10.0);
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expectf_(23.976563, bounds.Height, 2.1);
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status = GdipSetPageUnit(graphics, UnitMillimeter);
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expect(Ok, status);
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status = GdipGetFontHeight(font, graphics, &rval);
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expect(Ok, status);
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expectf(7.664648, rval);
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status = GdipGetFontSize(font, &rval);
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expect(Ok, status);
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expectf(18.0, rval);
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status = GdipMeasureString(graphics, string, -1, font, &rc, format, &bounds, NULL, NULL);
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expect(Ok, status);
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expectf(0.0, bounds.X);
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expectf(0.0, bounds.Y);
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expectf_(27.119789, bounds.Width, 2.7);
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expectf_(8.458398, bounds.Height, 0.8);
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GdipDeleteStringFormat(format);
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GdipDeleteFont(font);
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GdipDeleteFontFamily(family);
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GdipDeleteGraphics(graphics);
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DeleteDC(hdc);
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}
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static GpGraphics *create_graphics(REAL res_x, REAL res_y, GpUnit unit, REAL scale)
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{
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GpStatus status;
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union
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/* font size in logical units */
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/* UnitPoint = 3, UnitInch = 4, UnitDocument = 5, UnitMillimeter = 6 */
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for (unit = 3; unit <= 6; unit++)
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{
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GpBitmap *bitmap;
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GpImage *image;
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} u;
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GpGraphics *graphics = NULL;
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REAL res;
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/* create a font which final height is 100.0 pixels with 200 dpi device */
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height = pixels_to_units(100.0 / font_to_pixel_scale, unit, 200.0);
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status = GdipCreateFont(family, height, FontStyleRegular, unit, &font);
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expect(Ok, status);
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status = GdipGetFontSize(font, &font_size);
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expect(Ok, status);
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expectf(height, font_size);
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status = GdipGetFontUnit(font, &font_unit);
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expect(Ok, status);
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expect(unit, font_unit);
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status = GdipCreateBitmapFromScan0(1, 1, 4, PixelFormat24bppRGB, NULL, &u.bitmap);
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expect(Ok, status);
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for (i = 0; i < sizeof(td)/sizeof(td[0]); i++)
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{
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REAL unit_scale;
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status = GdipBitmapSetResolution(u.bitmap, res_x, res_y);
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expect(Ok, status);
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status = GdipGetImageHorizontalResolution(u.image, &res);
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expect(Ok, status);
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expectf(res_x, res);
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status = GdipGetImageVerticalResolution(u.image, &res);
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expect(Ok, status);
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expectf(res_y, res);
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graphics = create_graphics(td[i].res_x, td[i].res_y, td[i].unit, td[i].page_scale);
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status = GdipGetImageGraphicsContext(u.image, &graphics);
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expect(Ok, status);
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status = GdipDisposeImage(u.image);
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expect(Ok, status);
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lf.lfHeight = 0xdeadbeef;
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status = GdipGetLogFontW(font, graphics, &lf);
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expect(Ok, status);
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if (td[i].unit == UnitDisplay || td[i].unit == UnitPixel)
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height = units_to_pixels(font_size, font_unit, td[i].res_x);
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else
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height = units_to_pixels(font_size, font_unit, td[i].res_y);
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/*trace("%.1f font units = %f pixels with %.1f dpi, page_scale %.1f\n", font_size, height, td[i].res_y, td[i].page_scale);*/
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todo_wine
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ok(-lf.lfHeight == (LONG)(height + 0.5), "%u: expected %d (%f), got %d\n",
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i, (LONG)(height + 0.5), height, lf.lfHeight);
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status = GdipGetDpiX(graphics, &res);
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expect(Ok, status);
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expectf(res_x, res);
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status = GdipGetDpiY(graphics, &res);
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expect(Ok, status);
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expectf(res_y, res);
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if (td[i].unit == UnitDisplay || td[i].unit == UnitPixel)
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unit_scale = units_scale(font_unit, td[i].unit, td[i].res_x);
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else
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unit_scale = units_scale(font_unit, td[i].unit, td[i].res_y);
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/*trace("%u: %d to %d, %.1f dpi => unit_scale %f\n", i, font_unit, td[i].unit, td[i].res_y, unit_scale);*/
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height = font_size * font_to_pixel_scale * unit_scale;
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if (td[i].unit != UnitDisplay)
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height /= td[i].page_scale;
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/*trace("%u: %.1f font units = %f units with %.1f dpi, page_scale %.1f\n", i, font_size, height, td[i].res_y, td[i].page_scale);*/
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status = GdipSetPageUnit(graphics, unit);
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expect(Ok, status);
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status = GdipSetPageScale(graphics, scale);
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expect(Ok, status);
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rc = empty_rc;
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bounds = empty_rc;
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status = GdipMeasureString(graphics, string, -1, font, &rc, format, &bounds, &chars, &lines);
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expect(Ok, status);
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return graphics;
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if (i == 0)
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{
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base_cx = bounds.Width;
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base_cy = bounds.Height;
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}
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/* FIXME: remove once Wine is fixed */
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if (fabs(height - bounds.Height) > height / 85.0)
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{
|
||||
/* further testing is useless */
|
||||
GdipDeleteGraphics(graphics);
|
||||
continue;
|
||||
}
|
||||
|
||||
expectf(0.0, bounds.X);
|
||||
expectf(0.0, bounds.Y);
|
||||
expectf_(height, bounds.Height, height / 85.0);
|
||||
expectf_(bounds.Height / base_cy, bounds.Width / base_cx, 0.05);
|
||||
expect(7, chars);
|
||||
expect(1, lines);
|
||||
|
||||
/* make sure it really fits */
|
||||
bounds.Width += 1.0;
|
||||
bounds.Height += 1.0;
|
||||
rc = bounds;
|
||||
rc.X = 50.0;
|
||||
rc.Y = 50.0;
|
||||
bounds = empty_rc;
|
||||
status = GdipMeasureString(graphics, string, -1, font, &rc, format, &bounds, &chars, &lines);
|
||||
expect(Ok, status);
|
||||
expectf(50.0, bounds.X);
|
||||
expectf(50.0, bounds.Y);
|
||||
expectf_(height, bounds.Height, height / 85.0);
|
||||
expectf_(bounds.Height / base_cy, bounds.Width / base_cx, 0.05);
|
||||
expect(7, chars);
|
||||
expect(1, lines);
|
||||
|
||||
/* verify the result */
|
||||
height = units_to_pixels(bounds.Height, td[i].unit, td[i].res_x);
|
||||
if (td[i].unit != UnitDisplay)
|
||||
height *= td[i].page_scale;
|
||||
/*trace("%u: unit %u, %.1fx%.1f dpi, scale %.1f, height %f, pixels %f\n",
|
||||
i, td[i].unit, td[i].res_x, td[i].res_y, td[i].page_scale, bounds.Height, height);*/
|
||||
expectf_(100.0, height, 1.0);
|
||||
|
||||
status = GdipDeleteGraphics(graphics);
|
||||
expect(Ok, status);
|
||||
}
|
||||
|
||||
GdipDeleteFont(font);
|
||||
}
|
||||
|
||||
GdipDeleteFontFamily(family);
|
||||
GdipDeleteStringFormat(format);
|
||||
}
|
||||
|
||||
static void test_transform(void)
|
||||
|
|
|
|||
Loading…
Reference in New Issue