From 8c9960675b82978acbd5a85ef358c674c3407ee3 Mon Sep 17 00:00:00 2001 From: Behdad Esfahbod Date: Thu, 19 Apr 2007 22:10:09 -0400 Subject: [PATCH] [boilerplate] Strip pdf boilerplate into cairo-boilerplate-pdf* --- boilerplate/Makefile.am | 5 + boilerplate/cairo-boilerplate-pdf-private.h | 44 +++++++ boilerplate/cairo-boilerplate-pdf.c | 134 ++++++++++++++++++++ boilerplate/cairo-boilerplate.c | 111 +--------------- 4 files changed, 186 insertions(+), 108 deletions(-) create mode 100644 boilerplate/cairo-boilerplate-pdf-private.h create mode 100644 boilerplate/cairo-boilerplate-pdf.c diff --git a/boilerplate/Makefile.am b/boilerplate/Makefile.am index 7753d7cf7..8d9b1b2d0 100644 --- a/boilerplate/Makefile.am +++ b/boilerplate/Makefile.am @@ -19,6 +19,11 @@ libcairoboilerplate_la_SOURCES += cairo-boilerplate-directfb.c libcairoboilerplate_la_SOURCES += cairo-boilerplate-directfb-private.h endif +if CAIRO_HAS_PDF_SURFACE +libcairoboilerplate_la_SOURCES += cairo-boilerplate-pdf.c +libcairoboilerplate_la_SOURCES += cairo-boilerplate-pdf-private.h +endif + if CAIRO_HAS_PS_SURFACE libcairoboilerplate_la_SOURCES += cairo-boilerplate-ps.c libcairoboilerplate_la_SOURCES += cairo-boilerplate-ps-private.h diff --git a/boilerplate/cairo-boilerplate-pdf-private.h b/boilerplate/cairo-boilerplate-pdf-private.h new file mode 100644 index 000000000..7ce181e01 --- /dev/null +++ b/boilerplate/cairo-boilerplate-pdf-private.h @@ -0,0 +1,44 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright © 2004,2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth + */ + +#ifndef _CAIRO_BOILERPLATE_PDF_PRIVATE_H_ +#define _CAIRO_BOILERPLATE_PDF_PRIVATE_H_ + +cairo_surface_t * +_cairo_boilerplate_pdf_create_surface (const char *name, + cairo_content_t content, + int width, + int height, + cairo_boilerplate_mode_t mode, + void **closure); + +void +_cairo_boilerplate_pdf_cleanup (void *closure); + +cairo_status_t +_cairo_boilerplate_pdf_surface_write_to_png (cairo_surface_t *surface, const char *filename); + +#endif diff --git a/boilerplate/cairo-boilerplate-pdf.c b/boilerplate/cairo-boilerplate-pdf.c new file mode 100644 index 000000000..0b1dec04e --- /dev/null +++ b/boilerplate/cairo-boilerplate-pdf.c @@ -0,0 +1,134 @@ +/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ +/* + * Copyright © 2004,2006 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without + * fee, provided that the above copyright notice appear in all copies + * and that both that copyright notice and this permission notice + * appear in supporting documentation, and that the name of + * Red Hat, Inc. not be used in advertising or publicity pertaining to + * distribution of the software without specific, written prior + * permission. Red Hat, Inc. makes no representations about the + * suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS + * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS, IN NO EVENT SHALL RED HAT, INC. BE LIABLE FOR ANY SPECIAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR + * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Author: Carl D. Worth + */ + +#include "cairo-boilerplate.h" +#include "cairo-boilerplate-pdf-private.h" + +#include "cairo-pdf.h" + +cairo_user_data_key_t pdf_closure_key; + +typedef struct _pdf_target_closure +{ + char *filename; + int width; + int height; + cairo_surface_t *target; +} pdf_target_closure_t; + +cairo_surface_t * +_cairo_boilerplate_pdf_create_surface (const char *name, + cairo_content_t content, + int width, + int height, + cairo_boilerplate_mode_t mode, + void **closure) +{ + pdf_target_closure_t *ptc; + cairo_surface_t *surface; + + /* Sanitize back to a real cairo_content_t value. */ + if (content == CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED) + content = CAIRO_CONTENT_COLOR_ALPHA; + + *closure = ptc = xmalloc (sizeof (pdf_target_closure_t)); + + ptc->width = width; + ptc->height = height; + + xasprintf (&ptc->filename, "%s-pdf-%s-out.pdf", + name, cairo_boilerplate_content_name (content)); + + surface = cairo_pdf_surface_create (ptc->filename, width, height); + if (cairo_surface_status (surface)) { + free (ptc->filename); + free (ptc); + return NULL; + } + cairo_surface_set_fallback_resolution (surface, 72., 72.); + + if (content == CAIRO_CONTENT_COLOR) { + ptc->target = surface; + surface = cairo_surface_create_similar (ptc->target, + CAIRO_CONTENT_COLOR, + width, height); + } else { + ptc->target = NULL; + } + + cairo_boilerplate_surface_set_user_data (surface, + &pdf_closure_key, + ptc, NULL); + + return surface; +} + +cairo_status_t +_cairo_boilerplate_pdf_surface_write_to_png (cairo_surface_t *surface, const char *filename) +{ + pdf_target_closure_t *ptc = cairo_surface_get_user_data (surface, &pdf_closure_key); + char command[4096]; + + /* Both surface and ptc->target were originally created at the + * same dimensions. We want a 1:1 copy here, so we first clear any + * device offset on surface. + * + * In a more realistic use case of device offsets, the target of + * this copying would be of a different size than the source, and + * the offset would be desirable during the copy operation. */ + cairo_surface_set_device_offset (surface, 0, 0); + + if (ptc->target) { + cairo_t *cr; + cr = cairo_create (ptc->target); + cairo_set_source_surface (cr, surface, 0, 0); + cairo_paint (cr); + cairo_show_page (cr); + cairo_destroy (cr); + + cairo_surface_finish (surface); + surface = ptc->target; + } + + cairo_surface_finish (surface); + sprintf (command, "./pdf2png %s %s 1", + ptc->filename, filename); + + if (system (command) != 0) + return CAIRO_STATUS_WRITE_ERROR; + + return CAIRO_STATUS_SUCCESS; +} + +void +_cairo_boilerplate_pdf_cleanup (void *closure) +{ + pdf_target_closure_t *ptc = closure; + if (ptc->target) + cairo_surface_destroy (ptc->target); + free (ptc->filename); + free (ptc); +} diff --git a/boilerplate/cairo-boilerplate.c b/boilerplate/cairo-boilerplate.c index 0dc7c1997..42552f440 100644 --- a/boilerplate/cairo-boilerplate.c +++ b/boilerplate/cairo-boilerplate.c @@ -50,6 +50,9 @@ #if CAIRO_HAS_DIRECTFB_SURFACE #include "cairo-boilerplate-directfb-private.h" #endif +#if CAIRO_HAS_PDF_SURFACE +#include "cairo-boilerplate-pdf-private.h" +#endif #if CAIRO_HAS_PS_SURFACE #include "cairo-boilerplate-ps-private.h" #endif @@ -835,114 +838,6 @@ _cairo_boilerplate_xcb_cleanup (void *closure) } #endif -#if CAIRO_HAS_PDF_SURFACE && CAIRO_CAN_TEST_PDF_SURFACE -#include "cairo-pdf.h" - -cairo_user_data_key_t pdf_closure_key; - -typedef struct _pdf_target_closure -{ - char *filename; - int width; - int height; - cairo_surface_t *target; -} pdf_target_closure_t; - -static cairo_surface_t * -_cairo_boilerplate_pdf_create_surface (const char *name, - cairo_content_t content, - int width, - int height, - cairo_boilerplate_mode_t mode, - void **closure) -{ - pdf_target_closure_t *ptc; - cairo_surface_t *surface; - - /* Sanitize back to a real cairo_content_t value. */ - if (content == CAIRO_TEST_CONTENT_COLOR_ALPHA_FLATTENED) - content = CAIRO_CONTENT_COLOR_ALPHA; - - *closure = ptc = xmalloc (sizeof (pdf_target_closure_t)); - - ptc->width = width; - ptc->height = height; - - xasprintf (&ptc->filename, "%s-pdf-%s-out.pdf", - name, cairo_boilerplate_content_name (content)); - - surface = cairo_pdf_surface_create (ptc->filename, width, height); - if (cairo_surface_status (surface)) { - free (ptc->filename); - free (ptc); - return NULL; - } - cairo_surface_set_fallback_resolution (surface, 72., 72.); - - if (content == CAIRO_CONTENT_COLOR) { - ptc->target = surface; - surface = cairo_surface_create_similar (ptc->target, - CAIRO_CONTENT_COLOR, - width, height); - } else { - ptc->target = NULL; - } - - cairo_boilerplate_surface_set_user_data (surface, - &pdf_closure_key, - ptc, NULL); - - return surface; -} - -static cairo_status_t -_cairo_boilerplate_pdf_surface_write_to_png (cairo_surface_t *surface, const char *filename) -{ - pdf_target_closure_t *ptc = cairo_surface_get_user_data (surface, &pdf_closure_key); - char command[4096]; - - /* Both surface and ptc->target were originally created at the - * same dimensions. We want a 1:1 copy here, so we first clear any - * device offset on surface. - * - * In a more realistic use case of device offsets, the target of - * this copying would be of a different size than the source, and - * the offset would be desirable during the copy operation. */ - cairo_surface_set_device_offset (surface, 0, 0); - - if (ptc->target) { - cairo_t *cr; - cr = cairo_create (ptc->target); - cairo_set_source_surface (cr, surface, 0, 0); - cairo_paint (cr); - cairo_show_page (cr); - cairo_destroy (cr); - - cairo_surface_finish (surface); - surface = ptc->target; - } - - cairo_surface_finish (surface); - sprintf (command, "./pdf2png %s %s 1", - ptc->filename, filename); - - if (system (command) != 0) - return CAIRO_STATUS_WRITE_ERROR; - - return CAIRO_STATUS_SUCCESS; -} - -static void -_cairo_boilerplate_pdf_cleanup (void *closure) -{ - pdf_target_closure_t *ptc = closure; - if (ptc->target) - cairo_surface_destroy (ptc->target); - free (ptc->filename); - free (ptc); -} -#endif /* CAIRO_HAS_PDF_SURFACE && CAIRO_CAN_TEST_PDF_SURFACE */ - #if CAIRO_HAS_SVG_SURFACE && CAIRO_CAN_TEST_SVG_SURFACE #include "cairo-svg.h"