mirror of
https://github.com/mozilla/gecko-dev.git
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466 lines
15 KiB
Diff
466 lines
15 KiB
Diff
commit 4a412c0b144ed1fdde668e0e91241bac8bedd579
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Author: Jeff Muizelaar <jmuizelaar@mozilla.com>
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Date: Sun Jan 24 14:04:33 2010 -0500
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d2d
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diff --git a/src/cairo-fixed-private.h b/src/cairo-fixed-private.h
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index c299def..a37ca6a 100644
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--- a/src/cairo-fixed-private.h
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+++ b/src/cairo-fixed-private.h
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@@ -50,6 +50,7 @@
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#define CAIRO_FIXED_ONE ((cairo_fixed_t)(1 << CAIRO_FIXED_FRAC_BITS))
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#define CAIRO_FIXED_ONE_DOUBLE ((double)(1 << CAIRO_FIXED_FRAC_BITS))
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+#define CAIRO_FIXED_ONE_FLOAT ((float)(1 << CAIRO_FIXED_FRAC_BITS))
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#define CAIRO_FIXED_EPSILON ((cairo_fixed_t)(1))
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#define CAIRO_FIXED_FRAC_MASK (((cairo_fixed_unsigned_t)(-1)) >> (CAIRO_FIXED_BITS - CAIRO_FIXED_FRAC_BITS))
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@@ -141,6 +142,12 @@ _cairo_fixed_to_double (cairo_fixed_t f)
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return ((double) f) / CAIRO_FIXED_ONE_DOUBLE;
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}
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+static inline float
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+_cairo_fixed_to_float (cairo_fixed_t f)
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+{
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+ return ((float) f) / CAIRO_FIXED_ONE_FLOAT;
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+}
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+
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static inline int
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_cairo_fixed_is_integer (cairo_fixed_t f)
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{
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diff --git a/src/cairo-win32-private.h b/src/cairo-win32-private.h
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index b9926bb..ba57595 100644
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--- a/src/cairo-win32-private.h
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+++ b/src/cairo-win32-private.h
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@@ -231,4 +231,19 @@ inline BOOL ModifyWorldTransform(HDC hdc, CONST XFORM * lpxf, DWORD mode) { retu
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#endif
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+#ifdef CAIRO_HAS_DWRITE_FONT
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+CAIRO_BEGIN_DECLS
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+
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+cairo_public cairo_int_status_t
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+cairo_dwrite_show_glyphs_on_surface(void *surface,
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+ cairo_operator_t op,
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+ const cairo_pattern_t *source,
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+ cairo_glyph_t *glyphs,
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+ int num_glyphs,
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+ cairo_scaled_font_t *scaled_font,
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+ cairo_rectangle_int_t *extents);
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+
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+
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+CAIRO_END_DECLS
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+#endif /* CAIRO_HAS_DWRITE_FONT */
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#endif /* CAIRO_WIN32_PRIVATE_H */
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diff --git a/src/cairo-win32-surface.c b/src/cairo-win32-surface.c
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index 0dc5e76..bee00b1 100644
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--- a/src/cairo-win32-surface.c
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+++ b/src/cairo-win32-surface.c
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@@ -1547,152 +1547,158 @@ _cairo_win32_surface_show_glyphs (void *surface,
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int *remaining_glyphs)
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{
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#if defined(CAIRO_HAS_WIN32_FONT) && !defined(WINCE)
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- cairo_win32_surface_t *dst = surface;
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-
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- WORD glyph_buf_stack[STACK_GLYPH_SIZE];
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- WORD *glyph_buf = glyph_buf_stack;
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- int dxy_buf_stack[2 * STACK_GLYPH_SIZE];
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- int *dxy_buf = dxy_buf_stack;
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-
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- BOOL win_result = 0;
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- int i, j;
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+ if (scaled_font->backend->type == CAIRO_FONT_TYPE_DWRITE) {
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+#ifdef CAIRO_HAS_DWRITE_FONT
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+ return cairo_dwrite_show_glyphs_on_surface(surface, op, source, glyphs, num_glyphs, scaled_font, clip);
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+#endif
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+ } else {
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+ cairo_win32_surface_t *dst = surface;
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+
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+ WORD glyph_buf_stack[STACK_GLYPH_SIZE];
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+ WORD *glyph_buf = glyph_buf_stack;
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+ int dxy_buf_stack[2 * STACK_GLYPH_SIZE];
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+ int *dxy_buf = dxy_buf_stack;
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- cairo_solid_pattern_t *solid_pattern;
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- COLORREF color;
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+ BOOL win_result = 0;
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+ int i, j;
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- cairo_matrix_t device_to_logical;
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+ cairo_solid_pattern_t *solid_pattern;
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+ COLORREF color;
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- int start_x, start_y;
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- double user_x, user_y;
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- int logical_x, logical_y;
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- unsigned int glyph_index_option;
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+ cairo_matrix_t device_to_logical;
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- /* We can only handle win32 fonts */
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- if (cairo_scaled_font_get_type (scaled_font) != CAIRO_FONT_TYPE_WIN32)
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- return CAIRO_INT_STATUS_UNSUPPORTED;
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+ int start_x, start_y;
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+ double user_x, user_y;
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+ int logical_x, logical_y;
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+ unsigned int glyph_index_option;
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- /* We can only handle opaque solid color sources */
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- if (!_cairo_pattern_is_opaque_solid(source))
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- return CAIRO_INT_STATUS_UNSUPPORTED;
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+ /* We can only handle win32 fonts */
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+ if (cairo_scaled_font_get_type (scaled_font) != CAIRO_FONT_TYPE_WIN32)
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+ return CAIRO_INT_STATUS_UNSUPPORTED;
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- /* We can only handle operator SOURCE or OVER with the destination
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- * having no alpha */
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- if ((op != CAIRO_OPERATOR_SOURCE && op != CAIRO_OPERATOR_OVER) ||
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- (dst->format != CAIRO_FORMAT_RGB24))
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- return CAIRO_INT_STATUS_UNSUPPORTED;
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+ /* We can only handle opaque solid color sources */
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+ if (!_cairo_pattern_is_opaque_solid(source))
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+ return CAIRO_INT_STATUS_UNSUPPORTED;
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- /* If we have a fallback mask clip set on the dst, we have
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- * to go through the fallback path, but only if we're not
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- * doing this for printing */
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- if (clip != NULL) {
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- if ((dst->flags & CAIRO_WIN32_SURFACE_FOR_PRINTING) == 0) {
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- cairo_region_t *clip_region;
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- cairo_status_t status;
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+ /* We can only handle operator SOURCE or OVER with the destination
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+ * having no alpha */
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+ if ((op != CAIRO_OPERATOR_SOURCE && op != CAIRO_OPERATOR_OVER) ||
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+ (dst->format != CAIRO_FORMAT_RGB24))
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+ return CAIRO_INT_STATUS_UNSUPPORTED;
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- status = _cairo_clip_get_region (clip, &clip_region);
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- assert (status != CAIRO_INT_STATUS_NOTHING_TO_DO);
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- if (status)
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- return status;
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+ /* If we have a fallback mask clip set on the dst, we have
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+ * to go through the fallback path, but only if we're not
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+ * doing this for printing */
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+ if (clip != NULL) {
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+ if ((dst->flags & CAIRO_WIN32_SURFACE_FOR_PRINTING) == 0) {
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+ cairo_region_t *clip_region;
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+ cairo_status_t status;
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+
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+ status = _cairo_clip_get_region (clip, &clip_region);
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+ assert (status != CAIRO_INT_STATUS_NOTHING_TO_DO);
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+ if (status)
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+ return status;
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- _cairo_win32_surface_set_clip_region (surface, clip_region);
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+ _cairo_win32_surface_set_clip_region (surface, clip_region);
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+ }
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}
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- }
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- solid_pattern = (cairo_solid_pattern_t *)source;
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- color = RGB(((int)solid_pattern->color.red_short) >> 8,
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- ((int)solid_pattern->color.green_short) >> 8,
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- ((int)solid_pattern->color.blue_short) >> 8);
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+ solid_pattern = (cairo_solid_pattern_t *)source;
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+ color = RGB(((int)solid_pattern->color.red_short) >> 8,
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+ ((int)solid_pattern->color.green_short) >> 8,
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+ ((int)solid_pattern->color.blue_short) >> 8);
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- cairo_win32_scaled_font_get_device_to_logical(scaled_font, &device_to_logical);
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+ cairo_win32_scaled_font_get_device_to_logical(scaled_font, &device_to_logical);
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- SaveDC(dst->dc);
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+ SaveDC(dst->dc);
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- cairo_win32_scaled_font_select_font(scaled_font, dst->dc);
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- SetTextColor(dst->dc, color);
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- SetTextAlign(dst->dc, TA_BASELINE | TA_LEFT);
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- SetBkMode(dst->dc, TRANSPARENT);
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+ cairo_win32_scaled_font_select_font(scaled_font, dst->dc);
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+ SetTextColor(dst->dc, color);
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+ SetTextAlign(dst->dc, TA_BASELINE | TA_LEFT);
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+ SetBkMode(dst->dc, TRANSPARENT);
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- if (num_glyphs > STACK_GLYPH_SIZE) {
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- glyph_buf = (WORD *) _cairo_malloc_ab (num_glyphs, sizeof(WORD));
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- dxy_buf = (int *) _cairo_malloc_abc (num_glyphs, sizeof(int), 2);
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- }
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+ if (num_glyphs > STACK_GLYPH_SIZE) {
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+ glyph_buf = (WORD *) _cairo_malloc_ab (num_glyphs, sizeof(WORD));
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+ dxy_buf = (int *) _cairo_malloc_abc (num_glyphs, sizeof(int), 2);
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+ }
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- /* It is vital that dx values for dxy_buf are calculated from the delta of
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- * _logical_ x coordinates (not user x coordinates) or else the sum of all
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- * previous dx values may start to diverge from the current glyph's x
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- * coordinate due to accumulated rounding error. As a result strings could
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- * be painted shorter or longer than expected. */
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+ /* It is vital that dx values for dxy_buf are calculated from the delta of
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+ * _logical_ x coordinates (not user x coordinates) or else the sum of all
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+ * previous dx values may start to diverge from the current glyph's x
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+ * coordinate due to accumulated rounding error. As a result strings could
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+ * be painted shorter or longer than expected. */
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- user_x = glyphs[0].x;
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- user_y = glyphs[0].y;
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+ user_x = glyphs[0].x;
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+ user_y = glyphs[0].y;
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- cairo_matrix_transform_point(&device_to_logical,
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- &user_x, &user_y);
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+ cairo_matrix_transform_point(&device_to_logical,
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+ &user_x, &user_y);
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- logical_x = _cairo_lround (user_x);
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- logical_y = _cairo_lround (user_y);
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+ logical_x = _cairo_lround (user_x);
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+ logical_y = _cairo_lround (user_y);
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- start_x = logical_x;
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- start_y = logical_y;
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+ start_x = logical_x;
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+ start_y = logical_y;
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- for (i = 0, j = 0; i < num_glyphs; ++i, j = 2 * i) {
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- glyph_buf[i] = (WORD) glyphs[i].index;
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- if (i == num_glyphs - 1) {
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- dxy_buf[j] = 0;
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- dxy_buf[j+1] = 0;
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- } else {
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- double next_user_x = glyphs[i+1].x;
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- double next_user_y = glyphs[i+1].y;
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- int next_logical_x, next_logical_y;
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+ for (i = 0, j = 0; i < num_glyphs; ++i, j = 2 * i) {
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+ glyph_buf[i] = (WORD) glyphs[i].index;
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+ if (i == num_glyphs - 1) {
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+ dxy_buf[j] = 0;
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+ dxy_buf[j+1] = 0;
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+ } else {
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+ double next_user_x = glyphs[i+1].x;
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+ double next_user_y = glyphs[i+1].y;
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+ int next_logical_x, next_logical_y;
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- cairo_matrix_transform_point(&device_to_logical,
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- &next_user_x, &next_user_y);
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+ cairo_matrix_transform_point(&device_to_logical,
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+ &next_user_x, &next_user_y);
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- next_logical_x = _cairo_lround (next_user_x);
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- next_logical_y = _cairo_lround (next_user_y);
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+ next_logical_x = _cairo_lround (next_user_x);
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+ next_logical_y = _cairo_lround (next_user_y);
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- dxy_buf[j] = _cairo_lround (next_logical_x - logical_x);
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- dxy_buf[j+1] = _cairo_lround (logical_y - next_logical_y);
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- /* note that GDI coordinate system is inverted */
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+ dxy_buf[j] = _cairo_lround (next_logical_x - logical_x);
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+ dxy_buf[j+1] = _cairo_lround (logical_y - next_logical_y);
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+ /* note that GDI coordinate system is inverted */
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- logical_x = next_logical_x;
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- logical_y = next_logical_y;
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- }
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- }
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+ logical_x = next_logical_x;
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+ logical_y = next_logical_y;
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+ }
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+ }
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- /* Using glyph indices for a Type 1 font does not work on a
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- * printer DC. The win32 printing surface will convert the the
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- * glyph indices of Type 1 fonts to the unicode values.
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- */
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- if ((dst->flags & CAIRO_WIN32_SURFACE_FOR_PRINTING) &&
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- _cairo_win32_scaled_font_is_type1 (scaled_font))
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- {
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- glyph_index_option = 0;
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- }
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- else
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- {
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- glyph_index_option = ETO_GLYPH_INDEX;
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- }
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+ /* Using glyph indices for a Type 1 font does not work on a
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+ * printer DC. The win32 printing surface will convert the the
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+ * glyph indices of Type 1 fonts to the unicode values.
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+ */
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+ if ((dst->flags & CAIRO_WIN32_SURFACE_FOR_PRINTING) &&
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+ _cairo_win32_scaled_font_is_type1 (scaled_font))
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+ {
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+ glyph_index_option = 0;
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+ }
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+ else
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+ {
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+ glyph_index_option = ETO_GLYPH_INDEX;
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+ }
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- win_result = ExtTextOutW(dst->dc,
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- start_x,
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- start_y,
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- glyph_index_option | ETO_PDY,
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- NULL,
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- glyph_buf,
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- num_glyphs,
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- dxy_buf);
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- if (!win_result) {
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- _cairo_win32_print_gdi_error("_cairo_win32_surface_show_glyphs(ExtTextOutW failed)");
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- }
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+ win_result = ExtTextOutW(dst->dc,
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+ start_x,
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+ start_y,
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+ glyph_index_option | ETO_PDY,
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+ NULL,
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+ glyph_buf,
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+ num_glyphs,
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+ dxy_buf);
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+ if (!win_result) {
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+ _cairo_win32_print_gdi_error("_cairo_win32_surface_show_glyphs(ExtTextOutW failed)");
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+ }
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- RestoreDC(dst->dc, -1);
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+ RestoreDC(dst->dc, -1);
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- if (glyph_buf != glyph_buf_stack) {
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- free(glyph_buf);
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- free(dxy_buf);
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+ if (glyph_buf != glyph_buf_stack) {
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+ free(glyph_buf);
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+ free(dxy_buf);
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+ }
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+ return (win_result) ? CAIRO_STATUS_SUCCESS : CAIRO_INT_STATUS_UNSUPPORTED;
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}
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- return (win_result) ? CAIRO_STATUS_SUCCESS : CAIRO_INT_STATUS_UNSUPPORTED;
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#else
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return CAIRO_INT_STATUS_UNSUPPORTED;
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#endif
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diff --git a/src/cairo-win32.h b/src/cairo-win32.h
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index 6b86d4e..fcf20b8 100644
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--- a/src/cairo-win32.h
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+++ b/src/cairo-win32.h
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@@ -109,6 +109,63 @@ cairo_win32_scaled_font_get_device_to_logical (cairo_scaled_font_t *scaled_font,
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#endif /* CAIRO_HAS_WIN32_FONT */
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+#if CAIRO_HAS_DWRITE_FONT
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+
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+/*
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+ * Win32 DirectWrite font support
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+ */
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+cairo_public cairo_font_face_t *
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+cairo_dwrite_font_face_create_for_dwrite_fontface(void *dwrite_font, void *dwrite_font_face);
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+
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+#endif /* CAIRO_HAS_DWRITE_FONT */
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+
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+#if CAIRO_HAS_D2D_SURFACE
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+
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+/**
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+ * Create a D2D surface for an HWND
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+ *
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+ * \param wnd Handle for the window
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+ * \return New cairo surface
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+ */
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+cairo_public cairo_surface_t *
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+cairo_d2d_surface_create_for_hwnd(HWND wnd);
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+
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+/**
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+ * Create a D2D surface of a certain size.
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+ *
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+ * \param format Cairo format of the surface
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+ * \param width Width of the surface
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+ * \param height Height of the surface
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+ * \return New cairo surface
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+ */
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+cairo_public cairo_surface_t *
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+cairo_d2d_surface_create(cairo_format_t format,
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+ int width,
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+ int height);
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+
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+/**
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+ * Present the backbuffer for a surface create for an HWND. This needs
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+ * to be called when the owner of the original window surface wants to
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+ * actually present the executed drawing operations to the screen.
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+ *
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+ * \param surface D2D surface.
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+ */
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+void cairo_d2d_present_backbuffer(cairo_surface_t *surface);
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+
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+/**
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+ * Scroll the surface, this only moves the surface graphics, it does not
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+ * actually scroll child windows or anything like that. Nor does it invalidate
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+ * that area of the window.
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+ *
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+ * \param surface The d2d surface this operation should apply to.
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+ * \param x The x delta for the movement
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+ * \param y The y delta for the movement
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+ * \param clip The clip rectangle, the is the 'part' of the surface that needs
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+ * scrolling.
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+ */
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+void cairo_d2d_scroll(cairo_surface_t *surface, int x, int y, cairo_rectangle_t *clip);
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+#endif
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+
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CAIRO_END_DECLS
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#else /* CAIRO_HAS_WIN32_SURFACE */
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diff --git a/src/cairo.h b/src/cairo.h
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index 3a8b8a6..21827aa 100644
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--- a/src/cairo.h
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+++ b/src/cairo.h
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@@ -1370,7 +1370,8 @@ typedef enum _cairo_font_type {
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CAIRO_FONT_TYPE_FT,
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CAIRO_FONT_TYPE_WIN32,
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CAIRO_FONT_TYPE_QUARTZ,
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- CAIRO_FONT_TYPE_USER
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+ CAIRO_FONT_TYPE_USER,
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+ CAIRO_FONT_TYPE_DWRITE
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} cairo_font_type_t;
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cairo_public cairo_font_type_t
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@@ -2009,7 +2010,7 @@ typedef enum _cairo_surface_type {
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CAIRO_SURFACE_TYPE_TEE,
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CAIRO_SURFACE_TYPE_XML,
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CAIRO_SURFACE_TYPE_SKIA,
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- CAIRO_SURFACE_TYPE_DDRAW
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+ CAIRO_SURFACE_TYPE_D2D
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} cairo_surface_type_t;
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cairo_public cairo_surface_type_t
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diff --git a/src/cairoint.h b/src/cairoint.h
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index b942b4b..58850ab 100644
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--- a/src/cairoint.h
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+++ b/src/cairoint.h
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@@ -587,6 +587,12 @@ extern const cairo_private struct _cairo_font_face_backend _cairo_win32_font_fac
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#endif
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+#if CAIRO_HAS_DWRITE_FONT
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+
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+extern const cairo_private struct _cairo_font_face_backend _cairo_dwrite_font_face_backend;
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+
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+#endif
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+
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#if CAIRO_HAS_QUARTZ_FONT
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extern const cairo_private struct _cairo_font_face_backend _cairo_quartz_font_face_backend;
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@@ -932,7 +938,12 @@ typedef struct _cairo_traps {
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#define CAIRO_FT_FONT_FAMILY_DEFAULT ""
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#define CAIRO_USER_FONT_FAMILY_DEFAULT "@cairo:"
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-#if CAIRO_HAS_WIN32_FONT
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+#if CAIRO_HAS_DWRITE_FONT
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+
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+#define CAIRO_FONT_FAMILY_DEFAULT CAIRO_WIN32_FONT_FAMILY_DEFAULT
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+#define CAIRO_FONT_FACE_BACKEND_DEFAULT &_cairo_dwrite_font_face_backend
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+
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+#elif CAIRO_HAS_WIN32_FONT
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#define CAIRO_FONT_FAMILY_DEFAULT CAIRO_WIN32_FONT_FAMILY_DEFAULT
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#define CAIRO_FONT_FACE_BACKEND_DEFAULT &_cairo_win32_font_face_backend
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@@ -2617,7 +2628,7 @@ cairo_private int
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_cairo_ucs4_to_utf8 (uint32_t unicode,
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char *utf8);
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-#if CAIRO_HAS_WIN32_FONT || CAIRO_HAS_QUARTZ_FONT || CAIRO_HAS_PDF_OPERATORS
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+#if CAIRO_HAS_WIN32_FONT || CAIRO_HAS_QUARTZ_FONT || CAIRO_HAS_PDF_OPERATORS || CAIRO_HAS_DW_FONT
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# define CAIRO_HAS_UTF8_TO_UTF16 1
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#endif
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#if CAIRO_HAS_UTF8_TO_UTF16
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