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she/gtk: make use of aseprite thumbnail-generator

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use the aseprite thumbnail generator for file preview
This commit is contained in:
Gabriel Rauter 2016-03-07 18:59:15 +01:00
parent 29eaaea1fd
commit b64ba236d3
2 changed files with 37 additions and 4 deletions
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3
src/she/CMakeLists.txt
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@ -222,5 +222,6 @@ endif()
if(WITH_GTK_FILE_DIALOG_SUPPORT)
target_link_libraries(she
${GTKMM_LIBRARIES})
${GTKMM_LIBRARIES}
app-lib)
endif()

38
src/she/gtk/native_dialogs.cpp
View File

@ -13,8 +13,12 @@
#include "she/gtk/native_dialogs.h"
#include "app/thumbnail_generator.h"
#include "app/file_system.h"
#include "base/string.h"
#include "she/display.h"
#include "she/surface.h"
#include "she/locked_surface.h"
#include "she/error.h"
#include <gtkmm/application.h>
@ -28,7 +32,6 @@
#include <glibmm/fileutils.h>
#include <string>
#include <map>
namespace she {
@ -134,8 +137,25 @@ public:
this->set_preview_widget_active(false);
std::string fileName = this->get_filename();
try {
if (!Glib::file_test(fileName, Glib::FILE_TEST_IS_DIR)) {
auto previewPixbuf = Gdk::Pixbuf::create_from_file(fileName, 256, 256, true);
if (!fileName.empty() && !Glib::file_test(fileName, Glib::FILE_TEST_IS_DIR)) {
app::IFileItem* fileItem = app::FileSystemModule::instance()->getFileItemFromPath(fileName);
app::ThumbnailGenerator* generator = app::ThumbnailGenerator::instance();
generator->addWorkerToGenerateThumbnail(fileItem);
while(generator->checkWorkers()){};
she::LockedSurface* thumbnailSurface = fileItem->getThumbnail()->lock();
she::SurfaceFormatData* formatData = new she::SurfaceFormatData();
thumbnailSurface->getFormat(formatData);
uint8_t* data = thumbnailSurface->getData(0, 0);
auto tempPixbuf = Gdk::Pixbuf::create(Gdk::COLORSPACE_RGB,
true,
8,
thumbnailSurface->lockedWidth(),
thumbnailSurface->lockedHeight());
ConvertBetweenBGRAandRGBA(data, thumbnailSurface->lockedWidth(),
thumbnailSurface->lockedHeight(), tempPixbuf->get_pixels());
auto previewPixbuf = tempPixbuf->scale_simple(thumbnailSurface->lockedWidth() * 2,
thumbnailSurface->lockedHeight() * 2,
Gdk::INTERP_NEAREST);
m_preview.set(previewPixbuf);
this->set_preview_widget_active();
}
@ -177,6 +197,18 @@ private:
Display* m_display;
bool m_cancel;
static std::string& lastUsedDir() { static std::string lastUsedDir; return lastUsedDir; }
void ConvertBetweenBGRAandRGBA(uint8_t* input, int pixel_width, int pixel_height, uint8_t* output) {
int offset = 0;
for (int y = 0; y < pixel_height; y++) {
for (int x = 0; x < pixel_width; x++) {
output[offset] = input[offset + 2];
output[offset + 1] = input[offset + 1];
output[offset + 2] = input[offset];
output[offset + 3] = input[offset + 3];
offset += 4;
}
}
}
};
NativeDialogsGTK3::NativeDialogsGTK3()