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-rw-r--r--samples/pdfium_test.cc24
1 files changed, 20 insertions, 4 deletions
diff --git a/samples/pdfium_test.cc b/samples/pdfium_test.cc
index 2ff8f5bbf1..f7911c36b9 100644
--- a/samples/pdfium_test.cc
+++ b/samples/pdfium_test.cc
@@ -9,6 +9,7 @@
#include <wchar.h>
#include <list>
+#include <sstream>
#include <string>
#include <utility>
#include <vector>
@@ -41,6 +42,7 @@ struct Options {
Options() : output_format(OUTPUT_NONE) { }
OutputFormat output_format;
+ std::string scale_factor_as_string;
std::string exe_path;
std::string bin_directory;
};
@@ -317,6 +319,13 @@ bool ParseCommandLine(const std::vector<std::string>& args,
options->bin_directory = cur_arg.substr(10);
}
#endif // V8_USE_EXTERNAL_STARTUP_DATA
+ else if (cur_arg.size() > 8 && cur_arg.compare(0, 8, "--scale=") == 0) {
+ if (!options->scale_factor_as_string.empty()) {
+ fprintf(stderr, "Duplicate --scale argument\n");
+ return false;
+ }
+ options->scale_factor_as_string = cur_arg.substr(8);
+ }
else
break;
}
@@ -358,7 +367,7 @@ void Add_Segment(FX_DOWNLOADHINTS* pThis, size_t offset, size_t size) {
}
void RenderPdf(const std::string& name, const char* pBuf, size_t len,
- OutputFormat format) {
+ const Options& options) {
printf("Rendering PDF file %s.\n", name.c_str());
IPDF_JSPLATFORM platform_callbacks;
@@ -437,9 +446,15 @@ void RenderPdf(const std::string& name, const char* pBuf, size_t len,
int width = static_cast<int>(FPDF_GetPageWidth(page));
int height = static_cast<int>(FPDF_GetPageHeight(page));
+ if (!options.scale_factor_as_string.empty()) {
+ double scale = 1.0;
+ std::stringstream(options.scale_factor_as_string) >> scale;
+ width *= scale;
+ height *= scale;
+ }
+
FPDF_BITMAP bitmap = FPDFBitmap_Create(width, height, 0);
FPDFBitmap_FillRect(bitmap, 0, 0, width, height, 0xFFFFFFFF);
-
FPDF_RenderPageBitmap(bitmap, page, 0, 0, width, height, 0, 0);
rendered_pages ++;
@@ -448,7 +463,7 @@ void RenderPdf(const std::string& name, const char* pBuf, size_t len,
const char* buffer =
reinterpret_cast<const char*>(FPDFBitmap_GetBuffer(bitmap));
- switch (format) {
+ switch (options.output_format) {
#ifdef _WIN32
case OUTPUT_BMP:
WriteBmp(name.c_str(), i, buffer, stride, width, height);
@@ -489,6 +504,7 @@ int main(int argc, const char* argv[]) {
if (!ParseCommandLine(args, &options, &files)) {
printf("Usage: pdfium_test [OPTION] [FILE]...\n");
printf("--bin-dir=<path> - override path to v8 external data\n");
+ printf("--scale=<number> - scale output size by number (e.g. 0.5)\n");
printf("--ppm - write page images <pdf-name>.<page-number>.ppm\n");
#ifdef _WIN32
printf("--bmp - write page images <pdf-name>.<page-number>.bmp\n");
@@ -526,7 +542,7 @@ int main(int argc, const char* argv[]) {
char* file_contents = GetFileContents(filename.c_str(), &file_length);
if (!file_contents)
continue;
- RenderPdf(filename, file_contents, file_length, options.output_format);
+ RenderPdf(filename, file_contents, file_length, options);
free(file_contents);
}