Attachment 23180 Details for Bug 20255 – Testcase

Testcase

testcase.cpp (text/plain), 1.96 KB, created by Elmar Braun on 2009-02-22 12:48:00 UTC

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Filename:

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Creator: Elmar Braun

Created: 2009-02-22 12:48:00 UTC

Size: 1.96 KB

patch

obsolete

>#define _WIN32_WINNT 0x500
>#include <cairo-win32.h>
>#include <stdio.h>
>#pragma comment(lib, "gdi32.lib")
>#pragma comment(lib, "user32.lib")
>
>int main(int argc, char** argv) {
>	LOGFONTW lf = {
>		12,
>		0,
>		0,
>		0,
>		400,
>		0,
>		0,
>		0,
>		DEFAULT_CHARSET,
>		OUT_OUTLINE_PRECIS,
>		CLIP_DEFAULT_PRECIS,
>		DEFAULT_QUALITY,
>		DEFAULT_PITCH | FF_ROMAN,
>		L"Times New Roman"
>	};
>	HFONT hfont = CreateFontIndirectW(&lf);
>	cairo_font_face_t *font = cairo_win32_font_face_create_for_hfont(hfont);
>
>	cairo_matrix_t size, device;
>	cairo_matrix_init_scale(&size, 12, 12);
>	cairo_matrix_init_identity(&device);
>	cairo_font_options_t *options = cairo_font_options_create();
>	cairo_scaled_font_t *scaled = cairo_scaled_font_create(font, &size, &device, options);
>
>	// get glyph index for 'a'
>	WORD index;
>	HDC dc = CreateCompatibleDC(0);
>	SelectObject(dc, hfont);
>	GetGlyphIndicesA(dc, "a", 1, &index, 0);
>
>	// get extents for real glyph
>	cairo_text_extents_t extents;
>	cairo_glyph_t glyphA = { index, 0, 0 };
>	cairo_scaled_font_glyph_extents(scaled, &glyphA, 1, &extents);
>	printf("x/y advance for char 'a' -> glyph '0x%x': %f/%f\n", index, extents.x_advance, extents.y_advance);
>
>	// what's the font's status?
>	const char* status = cairo_status_to_string(cairo_scaled_font_status(scaled));
>	printf("status of cairo_scaled_font_t: %s\n", status);
>
>	// get extents for garbage glyph
>	cairo_glyph_t glyphF = { 0xffff, 0, 0 };
>	cairo_scaled_font_glyph_extents(scaled, &glyphF, 1, &extents);
>	printf("x/y advance for non-existing glyph '0xffff': %f/%f\n", extents.x_advance, extents.y_advance);
>
>	// what's the font's status?
>	status = cairo_status_to_string(cairo_scaled_font_status(scaled));
>	printf("status of cairo_scaled_font_t: %s\n", status);
>
>	// get extents for real glyph again
>	cairo_scaled_font_glyph_extents(scaled, &glyphA, 1, &extents);
>	printf("x/y advance for char 'a' -> glyph '0x%x': %f/%f\n", index, extents.x_advance, extents.y_advance);
>}

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Attachments on bug 20255: 23180 | 26170 | 26171

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