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/* Copyright (c) 2011 The Chromium Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef PPAPI_C_DEV_PPP_PRINTING_DEV_H_
#define PPAPI_C_DEV_PPP_PRINTING_DEV_H_
#include "ppapi/c/pp_bool.h"
#include "ppapi/c/pp_instance.h"
#include "ppapi/c/pp_macros.h"
#include "ppapi/c/pp_rect.h"
#include "ppapi/c/pp_resource.h"
#include "ppapi/c/pp_stdint.h"
typedef enum {
PP_PRINTORIENTATION_NORMAL = 0,
PP_PRINTORIENTATION_ROTATED_90_CW = 1,
PP_PRINTORIENTATION_ROTATED_180 = 2,
PP_PRINTORIENTATION_ROTATED_90_CCW = 3
} PP_PrintOrientation_Dev;
PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_PrintOrientation_Dev, 4);
#ifdef PPP_PRINTING_DEV_USE_0_4
/* TODO(dmichael): Remove the conditional compilation when NaCl proxy is
ported to 0.4. Remove 0.3 when PDF is ported. */
typedef enum {
PP_PRINTOUTPUTFORMAT_RASTER_DEPRECATED = 0,
PP_PRINTOUTPUTFORMAT_PDF_DEPRECATED = 1,
PP_PRINTOUTPUTFORMAT_POSTSCRIPT_DEPRECATED = 2
} PP_PrintOutputFormat_Dev_0_3;
typedef enum {
PP_PRINTOUTPUTFORMAT_RASTER = 1u << 0,
PP_PRINTOUTPUTFORMAT_PDF = 1u << 1,
PP_PRINTOUTPUTFORMAT_POSTSCRIPT = 1u << 2
} PP_PrintOutputFormat_Dev_0_4;
typedef PP_PrintOutputFormat_Dev_0_4 PP_PrintOutputFormat_Dev;
#else
typedef enum {
PP_PRINTOUTPUTFORMAT_RASTER = 0,
PP_PRINTOUTPUTFORMAT_PDF = 1,
PP_PRINTOUTPUTFORMAT_POSTSCRIPT = 2
} PP_PrintOutputFormat_Dev_0_3;
typedef PP_PrintOutputFormat_Dev_0_3 PP_PrintOutputFormat_Dev;
#endif
PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_PrintOutputFormat_Dev, 4);
struct PP_PrintSettings_Dev {
// This is the size of the printable area in points (1/72 of an inch)
struct PP_Rect printable_area;
int32_t dpi;
PP_PrintOrientation_Dev orientation;
PP_Bool grayscale;
PP_PrintOutputFormat_Dev format;
};
#ifdef PPP_PRINTING_DEV_USE_0_4
struct PP_PrintSettings_Dev_0_3 {
struct PP_Rect printable_area;
int32_t dpi;
PP_PrintOrientation_Dev orientation;
PP_Bool grayscale;
PP_PrintOutputFormat_Dev_0_3 format;
};
#endif
PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_PrintSettings_Dev, 32);
// Specifies a contiguous range of page numbers to be printed.
// The page numbers use a zero-based index.
struct PP_PrintPageNumberRange_Dev {
uint32_t first_page_number;
uint32_t last_page_number;
};
PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_PrintPageNumberRange_Dev, 8);
// Interface for the plugin to implement printing.
#define PPP_PRINTING_DEV_INTERFACE_0_3 "PPP_Printing(Dev);0.3"
#define PPP_PRINTING_DEV_INTERFACE_0_4 "PPP_Printing(Dev);0.4"
#ifdef PPP_PRINTING_DEV_USE_0_4
#define PPP_PRINTING_DEV_INTERFACE PPP_PRINTING_DEV_INTERFACE_0_4
#else
#define PPP_PRINTING_DEV_INTERFACE PPP_PRINTING_DEV_INTERFACE_0_3
#endif
#ifdef PPP_PRINTING_DEV_USE_0_4
struct PPP_Printing_Dev {
// Returns a bit field representing the supported print output formats. For
// example, if only Raster and PostScript are supported,
// QuerySupportedFormats returns a value equivalent to:
// (PP_PRINTOUTPUTFORMAT_RASTER | PP_PRINTOUTPUTFORMAT_POSTSCRIPT)
uint32_t (*QuerySupportedFormats)(PP_Instance instance);
// Begins a print session with the given print settings. Calls to PrintPage
// can only be made after a successful call to Begin. Returns the number of
// pages required for the print output at the given page size (0 indicates
// a failure).
int32_t (*Begin)(PP_Instance instance,
const struct PP_PrintSettings_Dev* print_settings);
// Prints the specified pages using the format specified in Begin.
// Returns a resource that represents the printed output.
// This is a PPB_ImageData resource if the output format is
// PP_PrintOutputFormat_Raster and a PPB_Blob otherwise. Returns 0 on failure.
PP_Resource (*PrintPages)(
PP_Instance instance,
const struct PP_PrintPageNumberRange_Dev* page_ranges,
uint32_t page_range_count);
// Ends the print session. Further calls to PrintPage will fail.
void (*End)(PP_Instance instance);
};
struct PPP_Printing_Dev_0_3 {
// Returns array of supported print output formats. The array is allocated
// using PPB_Core.MemAlloc. The caller is responsible for freeing the array
// using PPB_Core.MemFree.
// Sets |*format_count| to 0 returns NULL if printing is not supported at all
PP_PrintOutputFormat_Dev_0_3* (*QuerySupportedFormats)(
PP_Instance instance, uint32_t* format_count);
int32_t (*Begin)(PP_Instance instance,
const struct PP_PrintSettings_Dev_0_3* print_settings);
// The following methods are the same as in 0_4. See above for documentation.
PP_Resource (*PrintPages)(
PP_Instance instance,
const struct PP_PrintPageNumberRange_Dev* page_ranges,
uint32_t page_range_count);
void (*End)(PP_Instance instance);
};
#else
struct PPP_Printing_Dev {
PP_PrintOutputFormat_Dev* (*QuerySupportedFormats)(
PP_Instance instance, uint32_t* format_count);
int32_t (*Begin)(PP_Instance instance,
const struct PP_PrintSettings_Dev* print_settings);
PP_Resource (*PrintPages)(
PP_Instance instance,
const struct PP_PrintPageNumberRange_Dev* page_ranges,
uint32_t page_range_count);
void (*End)(PP_Instance instance);
};
#endif
#endif /* PPAPI_C_DEV_PPP_PRINTING_DEV_H_ */
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