зеркало из https://github.com/mozilla/gecko-dev.git
b=383960, moz cairo: win32-scaled-font-size.patch
This commit is contained in:
vladimir@pobox.com
Родитель
78273c794c
Коммит
9f183dd541
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@ -1,3 +1,4 @@
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/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
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/* cairo - a vector graphics library with display and print output
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*
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* Copyright © 2005 Red Hat, Inc
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@ -226,9 +227,15 @@ _get_system_quality (void)
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}
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}
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/* If face_hfont is non-NULL then font_matrix must be a simple scale by some
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* factor S, ctm must be the identity, logfont->lfHeight must be -S,
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* logfont->lfWidth, logfont->lfEscapement, logfont->lfOrientation must
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* all be 0, and face_hfont is the result of calling CreateFontIndirectW on
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* logfont.
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*/
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static cairo_scaled_font_t *
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_win32_scaled_font_create (LOGFONTW *logfont,
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HFONT hfont,
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HFONT face_hfont,
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cairo_font_face_t *font_face,
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const cairo_matrix_t *font_matrix,
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const cairo_matrix_t *ctm,
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@ -274,11 +281,21 @@ _win32_scaled_font_create (LOGFONTW *logfont,
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}
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f->em_square = 0;
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f->scaled_hfont = hfont;
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f->scaled_hfont = NULL;
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f->unscaled_hfont = NULL;
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/* don't delete the hfont if it was passed in to us */
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f->delete_scaled_hfont = !hfont;
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if (f->quality == logfont->lfQuality ||
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(logfont->lfQuality == DEFAULT_QUALITY &&
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options->antialias == CAIRO_ANTIALIAS_DEFAULT)) {
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/* If face_hfont is non-NULL, then we can use it to avoid creating our
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* own --- because the constraints on face_hfont mentioned above
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* guarantee it was created in exactly the same way that
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* _win32_scaled_font_get_scaled_hfont would create it.
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*/
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f->scaled_hfont = face_hfont;
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}
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/* don't delete the hfont if we're using the one passed in to us */
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f->delete_scaled_hfont = !f->scaled_hfont;
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cairo_matrix_multiply (&scale, font_matrix, ctm);
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_compute_transform (f, &scale);
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@ -1483,6 +1500,11 @@ const cairo_scaled_font_backend_t cairo_win32_scaled_font_backend = {
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typedef struct _cairo_win32_font_face cairo_win32_font_face_t;
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/* If hfont is non-NULL then logfont->lfHeight must be -S for some S,
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* logfont->lfWidth, logfont->lfEscapement, logfont->lfOrientation must
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* all be 0, and hfont is the result of calling CreateFontIndirectW on
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* logfont.
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*/
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struct _cairo_win32_font_face {
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cairo_font_face_t base;
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LOGFONTW logfont;
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@ -1496,6 +1518,14 @@ _cairo_win32_font_face_destroy (void *abstract_face)
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{
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}
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static cairo_bool_t
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_is_scale (const cairo_matrix_t *matrix, double scale)
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{
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return matrix->xx == scale && matrix->yy == scale &&
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matrix->xy == 0. && matrix->yx == 0. &&
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matrix->x0 == 0. && matrix->y0 == 0.;
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}
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static cairo_status_t
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_cairo_win32_font_face_scaled_font_create (void *abstract_face,
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const cairo_matrix_t *font_matrix,
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@ -1503,10 +1533,20 @@ _cairo_win32_font_face_scaled_font_create (void *abstract_face,
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const cairo_font_options_t *options,
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cairo_scaled_font_t **font)
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{
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HFONT hfont = NULL;
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cairo_win32_font_face_t *font_face = abstract_face;
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if (font_face->hfont) {
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/* Check whether it's OK to go ahead and use the font-face's HFONT. */
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if (_is_scale (ctm, 1.) &&
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_is_scale (font_matrix, -font_face->logfont.lfHeight)) {
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hfont = font_face->hfont;
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}
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}
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*font = _win32_scaled_font_create (&font_face->logfont,
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font_face->hfont,
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hfont,
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&font_face->base,
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font_matrix, ctm, options);
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if (*font)
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@ -1521,6 +1561,44 @@ static const cairo_font_face_backend_t _cairo_win32_font_face_backend = {
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_cairo_win32_font_face_scaled_font_create
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};
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/**
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* cairo_win32_font_face_create_for_logfontw_hfont:
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* @logfont: A #LOGFONTW structure specifying the font to use.
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* If hfont is null then the lfHeight, lfWidth, lfOrientation and lfEscapement
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* fields of this structure are ignored. Otherwise lfWidth, lfOrientation and
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* lfEscapement must be zero.
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* @font: An #HFONT that can be used when the font matrix is a scale by
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* -lfHeight and the CTM is identity.
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*
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* Creates a new font for the Win32 font backend based on a
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* #LOGFONT. This font can then be used with
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* cairo_set_font_face() or cairo_scaled_font_create().
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* The #cairo_scaled_font_t
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* returned from cairo_scaled_font_create() is also for the Win32 backend
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* and can be used with functions such as cairo_win32_scaled_font_select_font().
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*
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* Return value: a newly created #cairo_font_face_t. Free with
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* cairo_font_face_destroy() when you are done using it.
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**/
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cairo_font_face_t *
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cairo_win32_font_face_create_for_logfontw_hfont (LOGFONTW *logfont, HFONT font)
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{
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cairo_win32_font_face_t *font_face;
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font_face = malloc (sizeof (cairo_win32_font_face_t));
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if (!font_face) {
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_cairo_error (CAIRO_STATUS_NO_MEMORY);
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return (cairo_font_face_t *)&_cairo_font_face_nil;
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}
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font_face->logfont = *logfont;
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font_face->hfont = font;
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_cairo_font_face_init (&font_face->base, &_cairo_win32_font_face_backend);
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return &font_face->base;
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}
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/**
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* cairo_win32_font_face_create_for_logfontw:
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* @logfont: A #LOGFONTW structure specifying the font to use.
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@ -1540,20 +1618,7 @@ static const cairo_font_face_backend_t _cairo_win32_font_face_backend = {
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cairo_font_face_t *
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cairo_win32_font_face_create_for_logfontw (LOGFONTW *logfont)
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{
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cairo_win32_font_face_t *font_face;
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font_face = malloc (sizeof (cairo_win32_font_face_t));
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if (!font_face) {
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_cairo_error (CAIRO_STATUS_NO_MEMORY);
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return (cairo_font_face_t *)&_cairo_font_face_nil;
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}
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font_face->logfont = *logfont;
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font_face->hfont = NULL;
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_cairo_font_face_init (&font_face->base, &_cairo_win32_font_face_backend);
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return &font_face->base;
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return cairo_win32_font_face_create_for_logfontw_hfont (logfont, NULL);
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}
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/**
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@ -1573,19 +1638,17 @@ cairo_win32_font_face_create_for_logfontw (LOGFONTW *logfont)
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cairo_font_face_t *
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cairo_win32_font_face_create_for_hfont (HFONT font)
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{
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cairo_win32_font_face_t *font_face;
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LOGFONTW logfont;
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GetObject (font, sizeof(logfont), &logfont);
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font_face = malloc (sizeof (cairo_win32_font_face_t));
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if (!font_face) {
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_cairo_error (CAIRO_STATUS_NO_MEMORY);
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return (cairo_font_face_t *)&_cairo_font_face_nil;
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if (logfont.lfEscapement != 0 || logfont.lfOrientation != 0 ||
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logfont.lfWidth != 0) {
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/* We can't use this font because that optimization requires that
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* lfEscapement, lfOrientation and lfWidth be zero. */
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font = NULL;
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}
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font_face->hfont = font;
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_cairo_font_face_init (&font_face->base, &_cairo_win32_font_face_backend);
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return &font_face->base;
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return cairo_win32_font_face_create_for_logfontw_hfont (&logfont, font);
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}
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/**
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@ -70,6 +70,9 @@ cairo_win32_font_face_create_for_logfontw (LOGFONTW *logfont);
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cairo_public cairo_font_face_t *
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cairo_win32_font_face_create_for_hfont (HFONT font);
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cairo_public cairo_font_face_t *
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cairo_win32_font_face_create_for_logfontw_hfont (LOGFONTW *logfont, HFONT font);
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cairo_public cairo_status_t
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cairo_win32_scaled_font_select_font (cairo_scaled_font_t *scaled_font,
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HDC hdc);
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@ -1,20 +1,12 @@
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Index: gfx/cairo/cairo/src/cairo-win32-font.c
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===================================================================
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RCS file: /cvsroot/mozilla/gfx/cairo/cairo/src/cairo-win32-font.c,v
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retrieving revision 1.21
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diff -u -p -1 -2 -r1.21 cairo-win32-font.c
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--- gfx/cairo/cairo/src/cairo-win32-font.c 4 Apr 2007 01:09:15 -0000 1.21
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+++ gfx/cairo/cairo/src/cairo-win32-font.c 14 Apr 2007 09:05:25 -0000
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@@ -218,27 +218,33 @@ _get_system_quality (void)
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}
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if (smoothing_type == FE_FONTSMOOTHINGCLEARTYPE)
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return CLEARTYPE_QUALITY;
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}
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return ANTIALIASED_QUALITY;
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} else {
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return DEFAULT_QUALITY;
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diff -r 1b568972e0a3 gfx/cairo/cairo/src/cairo-win32-font.c
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--- a/gfx/cairo/cairo/src/cairo-win32-font.c Fri Jun 08 17:27:06 2007 -0700
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+++ b/gfx/cairo/cairo/src/cairo-win32-font.c Fri Jun 08 17:35:16 2007 -0700
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@@ -1,3 +1,4 @@
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+/* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */
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/* cairo - a vector graphics library with display and print output
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*
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* Copyright © 2005 Red Hat, Inc
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@@ -226,9 +227,15 @@ _get_system_quality (void)
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}
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}
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@ -31,32 +23,14 @@ diff -u -p -1 -2 -r1.21 cairo-win32-font.c
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cairo_font_face_t *font_face,
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const cairo_matrix_t *font_matrix,
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const cairo_matrix_t *ctm,
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const cairo_font_options_t *options)
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{
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cairo_win32_scaled_font_t *f;
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cairo_matrix_t scale;
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cairo_status_t status;
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_cairo_win32_initialize ();
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f = malloc (sizeof(cairo_win32_scaled_font_t));
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@@ -268,29 +274,38 @@ _win32_scaled_font_create (LOGFONTW
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case CAIRO_ANTIALIAS_SUBPIXEL:
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if (_have_cleartype_quality ())
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f->quality = CLEARTYPE_QUALITY;
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else
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f->quality = ANTIALIASED_QUALITY;
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break;
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case CAIRO_ANTIALIAS_DEFAULT:
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ASSERT_NOT_REACHED;
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}
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@@ -274,11 +281,21 @@ _win32_scaled_font_create (LOGFONTW
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}
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f->em_square = 0;
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- f->scaled_hfont = hfont;
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+ f->scaled_hfont = NULL;
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f->unscaled_hfont = NULL;
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-
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- /* don't delete the hfont if it was passed in to us */
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- f->delete_scaled_hfont = !hfont;
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+ if (f->quality == logfont->lfQuality ||
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@ -74,25 +48,7 @@ diff -u -p -1 -2 -r1.21 cairo-win32-font.c
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cairo_matrix_multiply (&scale, font_matrix, ctm);
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_compute_transform (f, &scale);
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_cairo_scaled_font_init (&f->base, font_face,
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font_matrix, ctm, options,
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&cairo_win32_scaled_font_backend);
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status = _cairo_win32_scaled_font_set_metrics (f);
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if (status) {
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cairo_scaled_font_destroy (&f->base);
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return NULL;
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@@ -1479,133 +1494,177 @@ const cairo_scaled_font_backend_t cairo_
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_cairo_win32_scaled_font_glyph_init,
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_cairo_win32_scaled_font_text_to_glyphs,
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NULL, /* ucs4_to_index */
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_cairo_win32_scaled_font_show_glyphs,
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_cairo_win32_scaled_font_load_truetype_table,
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_cairo_win32_scaled_font_map_glyphs_to_unicode,
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};
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/* cairo_win32_font_face_t */
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@@ -1483,6 +1500,11 @@ const cairo_scaled_font_backend_t cairo_
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typedef struct _cairo_win32_font_face cairo_win32_font_face_t;
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@ -104,28 +60,22 @@ diff -u -p -1 -2 -r1.21 cairo-win32-font.c
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struct _cairo_win32_font_face {
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cairo_font_face_t base;
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LOGFONTW logfont;
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HFONT hfont;
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};
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/* implement the platform-specific interface */
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@@ -1494,6 +1516,14 @@ static void
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static void
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_cairo_win32_font_face_destroy (void *abstract_face)
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{
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}
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+}
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+
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+static cairo_bool_t
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+_is_scale (const cairo_matrix_t *matrix, double scale)
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+{
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+ return matrix->xx == scale && matrix->yy == scale &&
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+ matrix->xy == 0. && matrix->yx == 0. &&
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+ matrix->x0 == 0. && matrix->y0 == 0.;
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+}
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+
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}
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static cairo_status_t
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_cairo_win32_font_face_scaled_font_create (void *abstract_face,
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const cairo_matrix_t *font_matrix,
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const cairo_matrix_t *ctm,
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@@ -1503,10 +1533,20 @@ _cairo_win32_font_face_scaled_font_creat
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const cairo_font_options_t *options,
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cairo_scaled_font_t **font)
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{
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@ -133,8 +83,6 @@ diff -u -p -1 -2 -r1.21 cairo-win32-font.c
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+
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cairo_win32_font_face_t *font_face = abstract_face;
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_cairo_win32_initialize ();
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+ if (font_face->hfont) {
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+ /* Check whether it's OK to go ahead and use the font-face's HFONT. */
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+ if (_is_scale (ctm, 1.) &&
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@ -149,15 +97,7 @@ diff -u -p -1 -2 -r1.21 cairo-win32-font.c
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&font_face->base,
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font_matrix, ctm, options);
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if (*font)
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return CAIRO_STATUS_SUCCESS;
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else
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return CAIRO_STATUS_NO_MEMORY;
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}
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static const cairo_font_face_backend_t _cairo_win32_font_face_backend = {
|
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CAIRO_FONT_TYPE_WIN32,
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_cairo_win32_font_face_destroy,
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_cairo_win32_font_face_scaled_font_create
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@@ -1522,10 +1562,13 @@ static const cairo_font_face_backend_t _
|
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};
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/**
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|
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@ -174,12 +114,7 @@ diff -u -p -1 -2 -r1.21 cairo-win32-font.c
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*
|
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* Creates a new font for the Win32 font backend based on a
|
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* #LOGFONT. This font can then be used with
|
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* cairo_set_font_face() or cairo_scaled_font_create().
|
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* The #cairo_scaled_font_t
|
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* returned from cairo_scaled_font_create() is also for the Win32 backend
|
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* and can be used with functions such as cairo_win32_scaled_font_select_font().
|
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*
|
||||
* Return value: a newly created #cairo_font_face_t. Free with
|
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@@ -1538,22 +1581,44 @@ static const cairo_font_face_backend_t _
|
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* cairo_font_face_destroy() when you are done using it.
|
||||
**/
|
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cairo_font_face_t *
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|
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@ -188,8 +123,6 @@ diff -u -p -1 -2 -r1.21 cairo-win32-font.c
|
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{
|
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cairo_win32_font_face_t *font_face;
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_cairo_win32_initialize ();
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font_face = malloc (sizeof (cairo_win32_font_face_t));
|
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if (!font_face) {
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- _cairo_error (CAIRO_STATUS_NO_MEMORY);
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|
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@ -205,9 +138,9 @@ diff -u -p -1 -2 -r1.21 cairo-win32-font.c
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_cairo_font_face_init (&font_face->base, &_cairo_win32_font_face_backend);
|
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|
||||
return &font_face->base;
|
||||
}
|
||||
|
||||
/**
|
||||
+}
|
||||
+
|
||||
+/**
|
||||
+ * cairo_win32_font_face_create_for_logfontw:
|
||||
+ * @logfont: A #LOGFONTW structure specifying the font to use.
|
||||
+ * The lfHeight, lfWidth, lfOrientation and lfEscapement
|
||||
|
|
@ -227,77 +160,44 @@ diff -u -p -1 -2 -r1.21 cairo-win32-font.c
|
|||
+cairo_win32_font_face_create_for_logfontw (LOGFONTW *logfont)
|
||||
+{
|
||||
+ return cairo_win32_font_face_create_for_logfontw_hfont (logfont, NULL);
|
||||
+}
|
||||
+
|
||||
+/**
|
||||
* cairo_win32_font_face_create_for_hfont:
|
||||
* @font: An #HFONT structure specifying the font to use.
|
||||
*
|
||||
* Creates a new font for the Win32 font backend based on a
|
||||
* #HFONT. This font can then be used with
|
||||
* cairo_set_font_face() or cairo_scaled_font_create().
|
||||
* The #cairo_scaled_font_t
|
||||
* returned from cairo_scaled_font_create() is also for the Win32 backend
|
||||
* and can be used with functions such as cairo_win32_scaled_font_select_font().
|
||||
*
|
||||
* Return value: a newly created #cairo_font_face_t. Free with
|
||||
* cairo_font_face_destroy() when you are done using it.
|
||||
**/
|
||||
}
|
||||
|
||||
/**
|
||||
@@ -1573,19 +1638,17 @@ cairo_font_face_t *
|
||||
cairo_font_face_t *
|
||||
cairo_win32_font_face_create_for_hfont (HFONT font)
|
||||
{
|
||||
- cairo_win32_font_face_t *font_face;
|
||||
-
|
||||
- _cairo_win32_initialize ();
|
||||
+ LOGFONTW logfont;
|
||||
+ GetObject (font, sizeof(logfont), &logfont);
|
||||
|
||||
- font_face = malloc (sizeof (cairo_win32_font_face_t));
|
||||
- if (!font_face) {
|
||||
- _cairo_error (CAIRO_STATUS_NO_MEMORY);
|
||||
- return (cairo_font_face_t *)&_cairo_font_face_nil;
|
||||
+ if (logfont.lfEscapement != 0 || logfont.lfOrientation != 0 ||
|
||||
+ logfont.lfWidth != 0) {
|
||||
+ /* We can't use this font because that optimization requires that
|
||||
+ * lfEscapement, lfOrientation and lfWidth be zero. */
|
||||
+ font = NULL;
|
||||
}
|
||||
|
||||
- }
|
||||
-
|
||||
- font_face->hfont = font;
|
||||
-
|
||||
- _cairo_font_face_init (&font_face->base, &_cairo_win32_font_face_backend);
|
||||
-
|
||||
- return &font_face->base;
|
||||
+ LOGFONTW logfont;
|
||||
+ GetObject (font, sizeof(logfont), &logfont);
|
||||
+
|
||||
+ if (logfont.lfEscapement != 0 || logfont.lfOrientation != 0 ||
|
||||
+ logfont.lfWidth != 0) {
|
||||
+ /* We can't use this font because that optimization requires that
|
||||
+ * lfEscapement, lfOrientation and lfWidth be zero. */
|
||||
+ font = NULL;
|
||||
+ }
|
||||
+
|
||||
+ return cairo_win32_font_face_create_for_logfontw_hfont (&logfont, font);
|
||||
}
|
||||
|
||||
/**
|
||||
* cairo_win32_scaled_font_select_font:
|
||||
* @scaled_font: A #cairo_scaled_font_t from the Win32 font backend. Such an
|
||||
* object can be created with cairo_win32_scaled_font_create_for_logfontw().
|
||||
* @hdc: a device context
|
||||
*
|
||||
* Selects the font into the given device context and changes the
|
||||
* map mode and world transformation of the device context to match
|
||||
* that of the font. This function is intended for use when using
|
||||
* layout APIs such as Uniscribe to do text layout with the
|
||||
Index: gfx/cairo/cairo/src/cairo-win32.h
|
||||
===================================================================
|
||||
RCS file: /cvsroot/mozilla/gfx/cairo/cairo/src/cairo-win32.h,v
|
||||
retrieving revision 1.14
|
||||
diff -u -p -1 -2 -r1.14 cairo-win32.h
|
||||
--- gfx/cairo/cairo/src/cairo-win32.h 24 Jan 2007 23:53:03 -0000 1.14
|
||||
+++ gfx/cairo/cairo/src/cairo-win32.h 14 Apr 2007 09:05:25 -0000
|
||||
@@ -61,24 +61,27 @@ cairo_win32_surface_create_with_dib (cai
|
||||
cairo_public HDC
|
||||
cairo_win32_surface_get_dc (cairo_surface_t *surface);
|
||||
|
||||
cairo_public cairo_surface_t *
|
||||
cairo_win32_surface_get_image (cairo_surface_t *surface);
|
||||
|
||||
cairo_public cairo_font_face_t *
|
||||
cairo_win32_font_face_create_for_logfontw (LOGFONTW *logfont);
|
||||
|
||||
diff -r 1b568972e0a3 gfx/cairo/cairo/src/cairo-win32.h
|
||||
--- a/gfx/cairo/cairo/src/cairo-win32.h Fri Jun 08 17:27:06 2007 -0700
|
||||
+++ b/gfx/cairo/cairo/src/cairo-win32.h Fri Jun 08 17:35:16 2007 -0700
|
||||
@@ -70,6 +70,9 @@ cairo_public cairo_font_face_t *
|
||||
cairo_public cairo_font_face_t *
|
||||
cairo_win32_font_face_create_for_hfont (HFONT font);
|
||||
|
||||
|
|
@ -307,12 +207,3 @@ diff -u -p -1 -2 -r1.14 cairo-win32.h
|
|||
cairo_public cairo_status_t
|
||||
cairo_win32_scaled_font_select_font (cairo_scaled_font_t *scaled_font,
|
||||
HDC hdc);
|
||||
|
||||
cairo_public void
|
||||
cairo_win32_scaled_font_done_font (cairo_scaled_font_t *scaled_font);
|
||||
|
||||
cairo_public double
|
||||
cairo_win32_scaled_font_get_metrics_factor (cairo_scaled_font_t *scaled_font);
|
||||
|
||||
cairo_public void
|
||||
cairo_win32_scaled_font_get_logical_to_device (cairo_scaled_font_t *scaled_font,
|
||||
|
|
|
|||
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