add cairo

1 files changed, 248 insertions, 0 deletions

diff --git a/libs/cairo-1.16.0/src/win32/cairo-win32-private.h b/libs/cairo-1.16.0/src/win32/cairo-win32-private.h
new file mode 100644
index 0000000..85f88a9
--- /dev/null
+++ b/libs/cairo-1.16.0/src/win32/cairo-win32-private.h
@@ -0,0 +1,248 @@
+/* cairo - a vector graphics library with display and print output
+ *
+ * Copyright © 2005 Red Hat, Inc
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it either under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation
+ * (the "LGPL") or, at your option, under the terms of the Mozilla
+ * Public License Version 1.1 (the "MPL"). If you do not alter this
+ * notice, a recipient may use your version of this file under either
+ * the MPL or the LGPL.
+ *
+ * You should have received a copy of the LGPL along with this library
+ * in the file COPYING-LGPL-2.1; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
+ * You should have received a copy of the MPL along with this library
+ * in the file COPYING-MPL-1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
+ * OF ANY KIND, either express or implied. See the LGPL or the MPL for
+ * the specific language governing rights and limitations.
+ *
+ * The Original Code is the cairo graphics library.
+ *
+ * The Initial Developer of the Original Code is Red Hat, Inc.
+ *
+ * Contributor(s):
+ *	Owen Taylor <otaylor@redhat.com>
+ */
+
+#ifndef CAIRO_WIN32_PRIVATE_H
+#define CAIRO_WIN32_PRIVATE_H
+
+#include "cairo-win32.h"
+
+#include "cairoint.h"
+
+#include "cairo-device-private.h"
+#include "cairo-surface-clipper-private.h"
+#include "cairo-surface-private.h"
+
+#ifndef SHADEBLENDCAPS
+#define SHADEBLENDCAPS 120
+#endif
+#ifndef SB_NONE
+#define SB_NONE 0
+#endif
+
+#define WIN32_FONT_LOGICAL_SCALE 32
+
+/* Surface DC flag values */
+enum {
+    /* If this is a surface created for printing or not */
+    CAIRO_WIN32_SURFACE_FOR_PRINTING = (1<<0),
+
+    /* Whether the DC is a display DC or not */
+    CAIRO_WIN32_SURFACE_IS_DISPLAY = (1<<1),
+
+    /* Whether we can use BitBlt with this surface */
+    CAIRO_WIN32_SURFACE_CAN_BITBLT = (1<<2),
+
+    /* Whether we can use AlphaBlend with this surface */
+    CAIRO_WIN32_SURFACE_CAN_ALPHABLEND = (1<<3),
+
+    /* Whether we can use StretchBlt with this surface */
+    CAIRO_WIN32_SURFACE_CAN_STRETCHBLT = (1<<4),
+
+    /* Whether we can use StretchDIBits with this surface */
+    CAIRO_WIN32_SURFACE_CAN_STRETCHDIB = (1<<5),
+
+    /* Whether we can use GradientFill rectangles with this surface */
+    CAIRO_WIN32_SURFACE_CAN_RECT_GRADIENT = (1<<6),
+
+    /* Whether we can use the CHECKJPEGFORMAT escape function */
+    CAIRO_WIN32_SURFACE_CAN_CHECK_JPEG = (1<<7),
+
+    /* Whether we can use the CHECKPNGFORMAT escape function */
+    CAIRO_WIN32_SURFACE_CAN_CHECK_PNG = (1<<8),
+
+    /* Whether we can use gdi drawing with solid rgb brush with this surface */
+    CAIRO_WIN32_SURFACE_CAN_RGB_BRUSH = (1<<9),
+};
+
+typedef struct _cairo_win32_surface {
+    cairo_surface_t base;
+
+    cairo_format_t format;
+    HDC dc;
+
+    /* Surface DC flags */
+    unsigned flags;
+
+    /* We use the x and y parts of extents for situations where
+     * we're not supposed to draw to the entire surface.
+     * For example, during a paint event a program will get
+     * a DC that has been clipped to the dirty region.
+     * A cairo surface constructed for that DC will have extents
+     * that match bounds of the clipped region.
+     */
+    cairo_rectangle_int_t extents;
+
+    /* Offset added to extents, used when the extents start with a negative
+     * offset, which can occur on Windows for, and only for, desktop DC.  This
+     * occurs when you have multiple monitors, and at least one monitor
+     * extends to the left, or above, the primaty monitor.  The primary
+     * monitor on Windows always starts with offset (0,0), and any other points
+     * to the left, or above, have negative offsets.  So the 'desktop DC' is
+     * in fact a 'virtual desktop' which can start with extents in the negative
+     * range.
+     *
+     * Why use new variables, and not the device transform?  Simply because since
+     * the device transform functions are exposed, a lot of 3rd party libraries
+     * simply overwrite those, disregarding the prior content, instead of actually
+     * adding the offset.  GTK for example simply resets the device transform of the
+     * desktop cairo surface to zero.  So make some private member variables for
+     * this, which will not be fiddled with externally.
+     */
+    int x_ofs, y_ofs;
+} cairo_win32_surface_t;
+#define to_win32_surface(S) ((cairo_win32_surface_t *)(S))
+
+typedef struct _cairo_win32_display_surface {
+    cairo_win32_surface_t win32;
+
+    /* We create off-screen surfaces as DIBs or DDBs, based on what we created
+     * originally */
+    HBITMAP bitmap;
+    cairo_bool_t is_dib;
+
+    /* Used to save the initial 1x1 monochrome bitmap for the DC to
+     * select back into the DC before deleting the DC and our
+     * bitmap. For Windows XP, this doesn't seem to be necessary
+     * ... we can just delete the DC and that automatically unselects
+     * our bitmap. But it's standard practice so apparently is needed
+     * on some versions of Windows.
+     */
+    HBITMAP saved_dc_bitmap;
+    cairo_surface_t *image;
+    cairo_surface_t *fallback;
+
+    HRGN initial_clip_rgn;
+    cairo_bool_t had_simple_clip;
+} cairo_win32_display_surface_t;
+#define to_win32_display_surface(S) ((cairo_win32_display_surface_t *)(S))
+
+typedef struct _cairo_win32_printing_surface {
+    cairo_win32_surface_t win32;
+
+    cairo_surface_clipper_t clipper;
+
+    cairo_paginated_mode_t paginated_mode;
+    cairo_content_t content;
+    cairo_bool_t path_empty;
+    cairo_bool_t has_ctm;
+    cairo_matrix_t ctm;
+    cairo_bool_t has_gdi_ctm;
+    cairo_matrix_t gdi_ctm;
+    cairo_bool_t extents_valid;
+    HBRUSH brush, old_brush;
+    cairo_scaled_font_subsets_t *font_subsets;
+} cairo_win32_printing_surface_t;
+#define to_win32_printing_surface(S) ((cairo_win32_printing_surface_t *)(S))
+
+typedef BOOL (WINAPI *cairo_win32_alpha_blend_func_t) (HDC hdcDest,
+						       int nXOriginDest,
+						       int nYOriginDest,
+						       int nWidthDest,
+						       int hHeightDest,
+						       HDC hdcSrc,
+						       int nXOriginSrc,
+						       int nYOriginSrc,
+						       int nWidthSrc,
+						       int nHeightSrc,
+						       BLENDFUNCTION blendFunction);
+
+typedef struct _cairo_win32_device {
+    cairo_device_t base;
+
+    HMODULE msimg32_dll;
+
+    const cairo_compositor_t *compositor;
+
+    cairo_win32_alpha_blend_func_t alpha_blend;
+} cairo_win32_device_t;
+#define to_win32_device(D) ((cairo_win32_device_t *)(D))
+#define to_win32_device_from_surface(S) to_win32_device(((cairo_surface_t *)(S))->device)
+
+cairo_private cairo_device_t *
+_cairo_win32_device_get (void);
+
+const cairo_compositor_t *
+_cairo_win32_gdi_compositor_get (void);
+
+cairo_status_t
+_cairo_win32_print_gdi_error (const char *context);
+
+cairo_private void
+_cairo_win32_display_surface_discard_fallback (cairo_win32_display_surface_t *surface);
+
+cairo_bool_t
+_cairo_win32_surface_get_extents (void			  *abstract_surface,
+				  cairo_rectangle_int_t   *rectangle);
+
+uint32_t
+_cairo_win32_flags_for_dc (HDC dc, cairo_format_t format);
+
+cairo_int_status_t
+_cairo_win32_surface_emit_glyphs (cairo_win32_surface_t *dst,
+				  const cairo_pattern_t *source,
+				  cairo_glyph_t	 *glyphs,
+				  int			  num_glyphs,
+				  cairo_scaled_font_t	 *scaled_font,
+				  cairo_bool_t		  glyph_indexing);
+
+static inline void
+_cairo_matrix_to_win32_xform (const cairo_matrix_t *m,
+			      XFORM *xform)
+{
+    xform->eM11 = (FLOAT) m->xx;
+    xform->eM21 = (FLOAT) m->xy;
+    xform->eM12 = (FLOAT) m->yx;
+    xform->eM22 = (FLOAT) m->yy;
+    xform->eDx = (FLOAT) m->x0;
+    xform->eDy = (FLOAT) m->y0;
+}
+
+cairo_status_t
+_cairo_win32_display_surface_set_clip (cairo_win32_display_surface_t *surface,
+				       cairo_clip_t *clip);
+
+void
+_cairo_win32_display_surface_unset_clip (cairo_win32_display_surface_t *surface);
+
+void
+_cairo_win32_debug_dump_hrgn (HRGN rgn, char *header);
+
+cairo_bool_t
+_cairo_win32_scaled_font_is_type1 (cairo_scaled_font_t *scaled_font);
+
+cairo_bool_t
+_cairo_win32_scaled_font_is_bitmap (cairo_scaled_font_t *scaled_font);
+
+#endif /* CAIRO_WIN32_PRIVATE_H */