diff options
Diffstat (limited to 'src/cairo_gdip_surface.cpp')
| -rw-r--r-- | src/cairo_gdip_surface.cpp | 727 |
1 files changed, 0 insertions, 727 deletions
diff --git a/src/cairo_gdip_surface.cpp b/src/cairo_gdip_surface.cpp deleted file mode 100644 index ec1982b55..000000000 --- a/src/cairo_gdip_surface.cpp +++ /dev/null @@ -1,727 +0,0 @@ -/* cairo - a vector graphics library with display and print output - * - * Copyright © 2004 Stuart Parmenter - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 Stuart Parmenter. - * - * Contributor(s): - * Stuart Parmenter <pavlov@pavlov.net> - */ - -extern "C" { -#include "cairoint.h" -} - -/* export symbols, for cairo.dll only */ - -#pragma comment(linker, "/EXPORT:_cairo_create") -#pragma comment(linker, "/EXPORT:_cairo_reference") -#pragma comment(linker, "/EXPORT:_cairo_destroy") -#pragma comment(linker, "/EXPORT:_cairo_save") -#pragma comment(linker, "/EXPORT:_cairo_restore") -#pragma comment(linker, "/EXPORT:_cairo_copy") -#pragma comment(linker, "/EXPORT:_cairo_set_target_surface") -#pragma comment(linker, "/EXPORT:_cairo_set_target_image") - -#ifdef CAIRO_HAS_PS_SURFACE -#pragma comment(linker, "/EXPORT:_cairo_set_target_ps") -#endif - -#ifdef CAIRO_HAS_PS_SURFACE -#pragma comment(linker, "/EXPORT:_cairo_set_target_pdf") -#endif - -#ifdef CAIRO_HAS_PNG_SURFACE -#pragma comment(linker, "/EXPORT:_cairo_set_target_png") -#endif - -#ifdef CAIRO_HAS_GL_SURFACE -#pragma comment(linker, "/EXPORT:_cairo_set_target_gl") -#endif - -#ifdef CAIRO_HAS_WIN32_SURFACE -#pragma comment(linker, "/EXPORT:_cairo_set_target_win32") -#endif - -#pragma comment(linker, "/EXPORT:_cairo_set_operator") -#pragma comment(linker, "/EXPORT:_cairo_set_rgb_color") -#pragma comment(linker, "/EXPORT:_cairo_set_pattern") -#pragma comment(linker, "/EXPORT:_cairo_set_alpha") -#pragma comment(linker, "/EXPORT:_cairo_set_tolerance") -#pragma comment(linker, "/EXPORT:_cairo_set_fill_rule") -#pragma comment(linker, "/EXPORT:_cairo_set_line_width") -#pragma comment(linker, "/EXPORT:_cairo_set_line_cap") -#pragma comment(linker, "/EXPORT:_cairo_set_line_join") -#pragma comment(linker, "/EXPORT:_cairo_set_dash") -#pragma comment(linker, "/EXPORT:_cairo_set_miter_limit") -#pragma comment(linker, "/EXPORT:_cairo_set_line_cap") - -#pragma comment(linker, "/EXPORT:_cairo_translate") -#pragma comment(linker, "/EXPORT:_cairo_scale") -#pragma comment(linker, "/EXPORT:_cairo_rotate") - -#pragma comment(linker, "/EXPORT:_cairo_concat_matrix") -#pragma comment(linker, "/EXPORT:_cairo_set_matrix") -#pragma comment(linker, "/EXPORT:_cairo_default_matrix") -#pragma comment(linker, "/EXPORT:_cairo_identity_matrix") -#pragma comment(linker, "/EXPORT:_cairo_transform_point") -#pragma comment(linker, "/EXPORT:_cairo_transform_distance") -#pragma comment(linker, "/EXPORT:_cairo_inverse_transform_point") -#pragma comment(linker, "/EXPORT:_cairo_inverse_transform_distance") - -#pragma comment(linker, "/EXPORT:_cairo_new_path") -#pragma comment(linker, "/EXPORT:_cairo_move_to") -#pragma comment(linker, "/EXPORT:_cairo_line_to") -#pragma comment(linker, "/EXPORT:_cairo_curve_to") -#pragma comment(linker, "/EXPORT:_cairo_arc") -#pragma comment(linker, "/EXPORT:_cairo_arc_negative") -#pragma comment(linker, "/EXPORT:_cairo_rel_move_to") -#pragma comment(linker, "/EXPORT:_cairo_rel_line_to") -#pragma comment(linker, "/EXPORT:_cairo_rel_curve_to") -#pragma comment(linker, "/EXPORT:_cairo_rectangle") -#pragma comment(linker, "/EXPORT:_cairo_close_path") - -#pragma comment(linker, "/EXPORT:_cairo_stroke") -#pragma comment(linker, "/EXPORT:_cairo_fill") -#pragma comment(linker, "/EXPORT:_cairo_copy_page") -#pragma comment(linker, "/EXPORT:_cairo_show_page") -#pragma comment(linker, "/EXPORT:_cairo_in_stroke") -#pragma comment(linker, "/EXPORT:_cairo_in_fill") -#pragma comment(linker, "/EXPORT:_cairo_stroke_extents") -#pragma comment(linker, "/EXPORT:_cairo_fill_extents") - -#pragma comment(linker, "/EXPORT:_cairo_init_clip") -#pragma comment(linker, "/EXPORT:_cairo_clip") -#pragma comment(linker, "/EXPORT:_cairo_select_font") -#pragma comment(linker, "/EXPORT:_cairo_scale_font") -#pragma comment(linker, "/EXPORT:_cairo_transform_font") -#pragma comment(linker, "/EXPORT:_cairo_show_text") -#pragma comment(linker, "/EXPORT:_cairo_show_glyphs") -#pragma comment(linker, "/EXPORT:_cairo_current_font") -#pragma comment(linker, "/EXPORT:_cairo_current_font_extents") -#pragma comment(linker, "/EXPORT:_cairo_set_font") -#pragma comment(linker, "/EXPORT:_cairo_text_extents") -#pragma comment(linker, "/EXPORT:_cairo_glyph_extents") -#pragma comment(linker, "/EXPORT:_cairo_text_path") -#pragma comment(linker, "/EXPORT:_cairo_glyph_path") -#pragma comment(linker, "/EXPORT:_cairo_font_reference") -#pragma comment(linker, "/EXPORT:_cairo_font_destroy") -#pragma comment(linker, "/EXPORT:_cairo_font_set_transform") -#pragma comment(linker, "/EXPORT:_cairo_font_current_transform") - -/*#pragma comment(linker, "/EXPORT:_cairo_ft_font_create") -#pragma comment(linker, "/EXPORT:_cairo_ft_font_create_for_ft_face") -*/ -#if 0 -/* hmm, this function doesn't exist, but __cairo_ft_font_destroy does */ -#pragma comment(linker, "/EXPORT:_cairo_ft_font_destroy") -#endif -/* -#pragma comment(linker, "/EXPORT:_cairo_ft_font_face") -#pragma comment(linker, "/EXPORT:_cairo_ft_font_pattern") -*/ -#pragma comment(linker, "/EXPORT:_cairo_show_surface") -#pragma comment(linker, "/EXPORT:_cairo_current_operator") -#pragma comment(linker, "/EXPORT:_cairo_current_rgb_color") -#pragma comment(linker, "/EXPORT:_cairo_current_pattern") -#pragma comment(linker, "/EXPORT:_cairo_current_alpha") -#pragma comment(linker, "/EXPORT:_cairo_current_tolerance") -#pragma comment(linker, "/EXPORT:_cairo_current_point") -#pragma comment(linker, "/EXPORT:_cairo_current_fill_rule") -#pragma comment(linker, "/EXPORT:_cairo_current_line_width") -#pragma comment(linker, "/EXPORT:_cairo_current_line_cap") -#pragma comment(linker, "/EXPORT:_cairo_current_line_join") -#pragma comment(linker, "/EXPORT:_cairo_current_rgb_color") -#pragma comment(linker, "/EXPORT:_cairo_current_miter_limit") -#pragma comment(linker, "/EXPORT:_cairo_current_matrix") -#pragma comment(linker, "/EXPORT:_cairo_current_target_surface") -#pragma comment(linker, "/EXPORT:_cairo_current_path") -#pragma comment(linker, "/EXPORT:_cairo_current_path_flat") - -#pragma comment(linker, "/EXPORT:_cairo_status") -#pragma comment(linker, "/EXPORT:_cairo_status_string") - -#pragma comment(linker, "/EXPORT:_cairo_surface_create_for_image") -#pragma comment(linker, "/EXPORT:_cairo_surface_create_similar") -#pragma comment(linker, "/EXPORT:_cairo_surface_reference") -#pragma comment(linker, "/EXPORT:_cairo_surface_destroy") -#pragma comment(linker, "/EXPORT:_cairo_surface_set_repeat") -#pragma comment(linker, "/EXPORT:_cairo_surface_set_matrix") -#pragma comment(linker, "/EXPORT:_cairo_surface_get_matrix") -#pragma comment(linker, "/EXPORT:_cairo_surface_set_filter") -#pragma comment(linker, "/EXPORT:_cairo_surface_get_filter") - -#pragma comment(linker, "/EXPORT:_cairo_image_surface_create") -#pragma comment(linker, "/EXPORT:_cairo_image_surface_create_for_data") -#pragma comment(linker, "/EXPORT:_cairo_pattern_create_for_surface") -#pragma comment(linker, "/EXPORT:_cairo_pattern_create_linear") -#pragma comment(linker, "/EXPORT:_cairo_pattern_create_radial") -#pragma comment(linker, "/EXPORT:_cairo_pattern_reference") -#pragma comment(linker, "/EXPORT:_cairo_pattern_destroy") -#pragma comment(linker, "/EXPORT:_cairo_pattern_add_color_stop") -#pragma comment(linker, "/EXPORT:_cairo_pattern_set_matrix") -#pragma comment(linker, "/EXPORT:_cairo_pattern_get_matrix") -#pragma comment(linker, "/EXPORT:_cairo_pattern_set_extend") -#pragma comment(linker, "/EXPORT:_cairo_pattern_get_extend") -#pragma comment(linker, "/EXPORT:_cairo_pattern_set_filter") -#pragma comment(linker, "/EXPORT:_cairo_pattern_get_filter") - -#ifdef CAIRO_HAS_PS_SURFACE -#pragma comment(linker, "/EXPORT:_cairo_ps_surface_create") -#endif - -#ifdef CAIRO_HAS_PNG_SURFACE -#pragma comment(linker, "/EXPORT:_cairo_png_surface_create") -#endif - -#ifdef CAIRO_HAS_GL_SURFACE -#pragma comment(linker, "/EXPORT:_cairo_gl_surface_create") -#endif - -#pragma comment(linker, "/EXPORT:_cairo_matrix_create") -#pragma comment(linker, "/EXPORT:_cairo_matrix_destroy") -#pragma comment(linker, "/EXPORT:_cairo_matrix_copy") -#pragma comment(linker, "/EXPORT:_cairo_matrix_set_identity") -#pragma comment(linker, "/EXPORT:_cairo_matrix_set_affine") -#pragma comment(linker, "/EXPORT:_cairo_matrix_get_affine") -#pragma comment(linker, "/EXPORT:_cairo_matrix_translate") -#pragma comment(linker, "/EXPORT:_cairo_matrix_scale") -#pragma comment(linker, "/EXPORT:_cairo_matrix_rotate") -#pragma comment(linker, "/EXPORT:_cairo_matrix_invert") -#pragma comment(linker, "/EXPORT:_cairo_matrix_multiply") -#pragma comment(linker, "/EXPORT:_cairo_matrix_transform_distance") -#pragma comment(linker, "/EXPORT:_cairo_matrix_transform_point") - -#include <windows.h> - -#include <gdiplus.h> -using namespace Gdiplus; - -extern const cairo_surface_backend_t cairo_win32_surface_backend; - -cairo_surface_t *_cairo_win32_surface_create (HDC dc); - -void -cairo_set_target_win32(cairo_t *cr, HDC dc) -{ - cairo_surface_t *surface; - - surface = _cairo_win32_surface_create(dc); - if (surface == NULL) { - cr->status = CAIRO_STATUS_NO_MEMORY; - return; - } - - cairo_set_target_surface (cr, surface); - - /* cairo_set_target_surface takes a reference, so we must destroy ours */ - cairo_surface_destroy (surface); -} - -typedef struct cairo_win32_surface { - cairo_surface_t base; - Graphics *gr; - - Brush *brush; -} cairo_win32_surface_t; - - -static void -_cairo_win32_surface_erase(cairo_win32_surface_t *surface); - -cairo_surface_t * -_cairo_win32_surface_create(HDC dc) -{ - cairo_win32_surface_t *surface; - - surface = (cairo_win32_surface_t*)malloc(sizeof(cairo_win32_surface_t)); - if (surface == NULL) - return NULL; - - surface->gr = new Graphics(dc); - surface->brush = NULL; -// surface->gr->TranslateTransform(-2000*2.5, -3000*2.2); -// surface->gr->ScaleTransform(20, 20); - - surface->gr->SetSmoothingMode(SmoothingModeAntiAlias); - - /* do pixmap creation, etc */ - - _cairo_surface_init(&surface->base, &cairo_win32_surface_backend); - - _cairo_win32_surface_erase(surface); - - return &surface->base; -} - -static cairo_surface_t * -_cairo_win32_surface_create_similar(void *abstract_src, - cairo_format_t format, - int drawable, - int width, - int height) -{ - return NULL; -} - -static void -_cairo_win32_surface_destroy (void *abstract_surface) -{ - cairo_win32_surface_t *surface = (cairo_win32_surface_t *)abstract_surface; - - delete surface->gr; - delete surface->brush; - - free(surface); -} - -static void -_cairo_win32_surface_erase(cairo_win32_surface_t *surface) -{ - surface->gr->Clear(Color(255, 0, 0, 0)); -} - -/* XXX: We should re-work this interface to return both X/Y ppi values. */ -static double -_cairo_win32_surface_pixels_per_inch(void *abstract_surface) -{ - cairo_win32_surface_t *surface = (cairo_win32_surface_t *)abstract_surface; - - return surface->gr->GetDpiY(); -} - -static Image * -make_image(cairo_image_surface_t *image) -{ - Rect r(0, 0, image->width, image->height); - Bitmap *b = new Bitmap(image->width, image->height, PixelFormat32bppPARGB); - BitmapData data; - - b->LockBits(&r, ImageLockModeWrite, PixelFormat32bppPARGB, &data); - - memcpy(data.Scan0, image->data, image->stride * image->height); - - b->UnlockBits(&data); - - return b; -} - -static cairo_image_surface_t * -_cairo_win32_surface_get_image(void *abstract_surface) -{ - cairo_win32_surface_t *surface = (cairo_win32_surface_t *)abstract_surface; - - /* need to figure out how to get the data from a Graphics and turn it in to an Image */ - return NULL; -} - - -static cairo_status_t -_cairo_win32_surface_set_image(void *abstract_surface, - cairo_image_surface_t *image) -{ - cairo_win32_surface_t *surface = (cairo_win32_surface_t *)abstract_surface; - - Image *img = make_image(image); - surface->gr->DrawImage(img, 0, 0); - delete img; - - return CAIRO_STATUS_SUCCESS; -} - -static cairo_status_t -_cairo_win32_surface_set_matrix(void *abstract_surface, - cairo_matrix_t *matrix) -{ - cairo_win32_surface_t *surface = (cairo_win32_surface_t *)abstract_surface; - - Matrix m((float)matrix->m[0][0], (float)matrix->m[1][0], (float)matrix->m[2][0], - (float)matrix->m[0][1], (float)matrix->m[1][1], (float)matrix->m[2][1]); - - - surface->gr->SetTransform(&m); - - return CAIRO_STATUS_SUCCESS; -} - -static cairo_status_t -_cairo_win32_surface_set_filter (void *abstract_surface, - cairo_filter_t filter) -{ - cairo_win32_surface_t *surface = (cairo_win32_surface_t *)abstract_surface; - SmoothingMode mode; - - switch (filter) { - case CAIRO_FILTER_FAST: - mode = SmoothingModeNone; - break; - case CAIRO_FILTER_GOOD: - case CAIRO_FILTER_BEST: - case CAIRO_FILTER_NEAREST: - case CAIRO_FILTER_BILINEAR: - case CAIRO_FILTER_GAUSSIAN: - default: - mode = SmoothingModeAntiAlias; - break; - } - surface->gr->SetSmoothingMode(mode); - - return CAIRO_STATUS_SUCCESS; -} - -static cairo_status_t -_cairo_win32_surface_set_repeat (void *abstract_surface, - int repeat) -{ - /* what is this function supposed to do? */ - cairo_win32_surface_t *surface = (cairo_win32_surface_t *)abstract_surface; - - return (cairo_status_t)CAIRO_INT_STATUS_UNSUPPORTED; -} - -static cairo_int_status_t -_cairo_win32_surface_composite(cairo_operator_t op, - cairo_surface_t *generic_src, - cairo_surface_t *generic_mask, - void *abstract_dst, - int src_x, - int src_y, - int mask_x, - int mask_y, - int dst_x, - int dst_y, - unsigned int width, - unsigned int height) -{ - return CAIRO_INT_STATUS_UNSUPPORTED; -} - - -static cairo_int_status_t -_cairo_win32_surface_fill_rectangles(void *abstract_surface, - cairo_operator_t op, - const cairo_color_t *color, - cairo_rectangle_t *rects, - int num_rects) -{ - cairo_win32_surface_t *surface = (cairo_win32_surface_t *)abstract_surface; - - SolidBrush brush(Color(color->alpha_short, color->red_short, color->green_short, color->blue_short)); - - RectF *r = new RectF[num_rects]; /* should really allocate a small number here on the stack and use those if possible */ - for (int i = 0; i < num_rects; ++i) { - r[i].X = rects[i].x; - r[i].Y = rects[i].y; - r[i].Width = rects[i].width; - r[i].Height = rects[i].height; - } - - surface->gr->FillRectangles(&brush, r, num_rects); - - delete[] r; - - return (cairo_int_status_t)CAIRO_STATUS_SUCCESS; -} - - - -static int -_cairo_win32_extract_rectangle (cairo_trapezoid_t *trap, - RectF *rect) -{ - if (trap->left.p1.x == trap->left.p2.x && - trap->right.p1.x == trap->right.p2.x && - trap->left.p1.y == trap->right.p1.y && - trap->left.p2.y == trap->right.p2.y) { - - double x = _cairo_fixed_to_double (trap->left.p1.x); - double y = _cairo_fixed_to_double (trap->left.p1.y); - rect->X = (float)x; - rect->Y = (float)y; - rect->Width = (float)(_cairo_fixed_to_double(trap->right.p1.x) - x); - rect->Height = (float)(_cairo_fixed_to_double(trap->left.p2.y) - y); - - return 1; - } - - return 0; -} - -static cairo_int_status_t -_cairo_win32_surface_composite_trapezoids (cairo_operator_t op, - cairo_surface_t *generic_src, - void *abstract_dst, - int x_src, - int y_src, - cairo_trapezoid_t *traps, - int num_traps) -{ - cairo_win32_surface_t *surface = (cairo_win32_surface_t *)abstract_dst; - - static int zzz = 0; - zzz += num_traps; - - Image *img = NULL; - Brush *brush = NULL; /* i'd really like to not allocate this on the heap.. */ - -#define FIXED_TO_FLOAT(x) (float)_cairo_fixed_to_double((x)) - - /* ugh.. figure out if we're a "native" pattern or an image_surface pattern.. */ - if (generic_src->backend == &cairo_win32_surface_backend) { - brush = ((cairo_win32_surface_t*)generic_src)->brush; - /* XXX move this outside so that TextureBrushes can take advantage of it */ - /* Check to see if we can represent these traps as a rectangle. */ - RectF rect; - if (num_traps == 1 && _cairo_win32_extract_rectangle(traps, &rect)) { - surface->gr->FillRectangle(brush, rect); - return (cairo_int_status_t)CAIRO_STATUS_SUCCESS; - } - } else { - /* I would really love to move this code in to create_pattern if possible */ - img = make_image((cairo_image_surface_t*)generic_src); - brush = new TextureBrush(img); - - // XXX this will probably break. Don't know why we have +1 and +2 offsets.. - float xoff = (FIXED_TO_FLOAT(traps[0].left.p1.x) + 0.5f); - float yoff = (FIXED_TO_FLOAT(traps[0].left.p1.y) + 1.5f); - static_cast<TextureBrush*>(brush)->TranslateTransform((int)(-x_src + xoff), - (int)(-y_src + yoff)); - } - - CompositingMode mode; - switch (op) { - case CAIRO_OPERATOR_OVER: - mode = CompositingModeSourceOver; - break; - case CAIRO_OPERATOR_CLEAR: - mode = CompositingModeSourceCopy; - break; - case CAIRO_OPERATOR_SRC: - case CAIRO_OPERATOR_DST: - case CAIRO_OPERATOR_OVER_REVERSE: - case CAIRO_OPERATOR_IN: - case CAIRO_OPERATOR_IN_REVERSE: - case CAIRO_OPERATOR_OUT: - case CAIRO_OPERATOR_OUT_REVERSE: - case CAIRO_OPERATOR_ATOP: - case CAIRO_OPERATOR_ATOP_REVERSE: - case CAIRO_OPERATOR_XOR: - case CAIRO_OPERATOR_ADD: - case CAIRO_OPERATOR_SATURATE: - mode = CompositingModeSourceOver; - break; - } - surface->gr->SetCompositingMode(mode); - - PointF points[4]; - for (int i = 0; i < num_traps; ++i) { - float top = FIXED_TO_FLOAT(traps[i].top); - float bottom = FIXED_TO_FLOAT(traps[i].bottom); - - /* left line */ - points[0].X = FIXED_TO_FLOAT(traps[i].left.p1.x); - points[0].Y = FIXED_TO_FLOAT(traps[i].left.p1.y); - points[1].X = FIXED_TO_FLOAT(traps[i].left.p2.x); - points[1].Y = FIXED_TO_FLOAT(traps[i].left.p2.y); - - /* right line */ - points[2].X = FIXED_TO_FLOAT(traps[i].right.p2.x); - points[2].Y = FIXED_TO_FLOAT(traps[i].right.p2.y); - points[3].X = FIXED_TO_FLOAT(traps[i].right.p1.x); - points[3].Y = FIXED_TO_FLOAT(traps[i].right.p1.y); - - surface->gr->FillPolygon(brush, points, 4); - //Pen p(Color(255,0,0,0), 1.0f/10.0f); - //surface->gr->DrawPolygon(&p, points, 4); - } - -#undef FIXED_TO_FLOAT - - delete img; - return (cairo_int_status_t)CAIRO_STATUS_SUCCESS; -} - -static cairo_int_status_t -_cairo_win32_surface_copy_page (void *abstract_surface) -{ - return CAIRO_INT_STATUS_UNSUPPORTED; -} - - -static cairo_int_status_t -_cairo_win32_surface_show_page (void *abstract_surface) -{ - return CAIRO_INT_STATUS_UNSUPPORTED; -} - - -static cairo_int_status_t -_cairo_win32_surface_set_clip_region (void *abstract_surface, - pixman_region16_t *region) -{ - cairo_win32_surface_t *surface = (cairo_win32_surface_t *)abstract_surface; - - pixman_box16_t *box; - int n = pixman_region_num_rects(region); - - if (n == 0) - return (cairo_int_status_t)CAIRO_STATUS_SUCCESS; - - box = pixman_region_rects(region); - - surface->gr->ResetClip(); - for (int i = 0; i < n; ++i) { - Rect r(box[i].x1, box[i].y1, box[i].x2 - box[i].x1, box[i].y2 - box[i].y1); - surface->gr->SetClip(r, CombineModeUnion); /* do I need to do replace once and then union? */ - } - - return (cairo_int_status_t)CAIRO_STATUS_SUCCESS; -} - -static cairo_int_status_t -_cairo_win32_surface_create_pattern (void *abstract_surface, - cairo_pattern_t *pattern, - cairo_box_t *box) -{ - /* SOLID is easy -> SolidBrush - LINEAR we can only do a gradient from 1 color to another -> LinearGradientBrush - We should do this if thats all we need, otherwise use software. - RADIAL we can't really do it. Let it fall back to software I guess. */ - - - /* in the case of PATTERN_SOLID, we really just want to create a brush and hand that back... */ - if (pattern->type == CAIRO_PATTERN_SOLID) { - - /* ugh, this surface creation code should _really_ live somewhere else */ - cairo_win32_surface_t *src = (cairo_win32_surface_t*)malloc(sizeof(cairo_win32_surface_t)); - if (src == NULL) - return CAIRO_INT_STATUS_UNSUPPORTED; - - _cairo_surface_init(&src->base, &cairo_win32_surface_backend); - pattern->source = &src->base; - - src->gr = NULL; - src->brush = new SolidBrush(Color(pattern->color.alpha_short, - pattern->color.red_short, - pattern->color.green_short, - pattern->color.blue_short)); - - - return (cairo_int_status_t)CAIRO_STATUS_SUCCESS; - } - - else if (pattern->type == CAIRO_PATTERN_LINEAR && pattern->n_stops == 2) { - - /* ugh, this surface creation code should _really_ live somewhere else */ - cairo_win32_surface_t *src = (cairo_win32_surface_t*)malloc(sizeof(cairo_win32_surface_t)); - if (src == NULL) - return CAIRO_INT_STATUS_UNSUPPORTED; - - _cairo_surface_init(&src->base, &cairo_win32_surface_backend); - pattern->source = &src->base; - - src->gr = NULL; - - RectF r((float)pattern->u.linear.point0.x, - (float)pattern->u.linear.point0.y, - ((box->p2.x + 65535) >> 16) - (box->p1.x >> 16), - ((box->p2.y + 65535) >> 16) - (box->p1.y >> 16)); - - src->brush = new LinearGradientBrush(r, - Color(pattern->stops[0].color_char[3], - pattern->stops[0].color_char[0], - pattern->stops[0].color_char[1], - pattern->stops[0].color_char[2]), - Color(pattern->stops[1].color_char[3], - pattern->stops[1].color_char[0], - pattern->stops[1].color_char[1], - pattern->stops[1].color_char[2]), - 90.0, FALSE); - - static_cast<LinearGradientBrush*>(src->brush)->TranslateTransform((float)pattern->source_offset.x, - (float)pattern->source_offset.y); - return (cairo_int_status_t)CAIRO_STATUS_SUCCESS; - } - - else if (pattern->type == CAIRO_PATTERN_RADIAL) { -#if 0 /* XXX not sure this will work.. do we have to draw with FillPath() in order for this brush to work properly? */ - /* use PathGradientBrush here */ - - /* ugh, this surface creation code should _really_ live somewhere else */ - cairo_win32_surface_t *src = (cairo_win32_surface_t*)malloc(sizeof(cairo_win32_surface_t)); - if (src == NULL) - return CAIRO_INT_STATUS_UNSUPPORTED; - - _cairo_surface_init(&src->base, &cairo_win32_surface_backend); - pattern->source = &src->base; - - src->gr = NULL; - - PointF center(pattern->u.radial.center1.x, pattern->u.radial.center1.y); - - GraphicsPath path; - path.AddEllipse(0, 0, 140, 70); - - // Use the path to construct a brush. - PathGradientBrush *brush = new PathGradientBrush(&path); - src->brush = brush; - - // Set the color at the center of the path to blue. - brush->SetCenterColor(Color(50, 100, 0, 255)); - - // Set the color along the entire boundary of the path to aqua. - Color colors[] = {Color(255, 0, 255, 255)}; - int count = 1; - brush->SetSurroundColors(colors, &count); - - brush->SetCenterPoint(center); - - return (cairo_int_status_t)CAIRO_STATUS_SUCCESS; -#endif - - } - return CAIRO_INT_STATUS_UNSUPPORTED; -} - -static const cairo_surface_backend_t cairo_win32_surface_backend = { - _cairo_win32_surface_create_similar, - _cairo_win32_surface_destroy, - _cairo_win32_surface_pixels_per_inch, - _cairo_win32_surface_get_image, - _cairo_win32_surface_set_image, - _cairo_win32_surface_set_matrix, - _cairo_win32_surface_set_filter, - _cairo_win32_surface_set_repeat, - _cairo_win32_surface_composite, - _cairo_win32_surface_fill_rectangles, - _cairo_win32_surface_composite_trapezoids, - _cairo_win32_surface_copy_page, - _cairo_win32_surface_show_page, - _cairo_win32_surface_set_clip_region, - _cairo_win32_surface_create_pattern, -}; |