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authorBent Bisballe Nyeng <deva@aasimon.org>2015-10-31 18:09:50 +0100
committerBent Bisballe Nyeng <deva@aasimon.org>2015-10-31 18:09:50 +0100
commitd11fe0c82c413c0bcb0b4f0ff464291aff4f36d4 (patch)
tree353dd36ccadae02399c15841eb493fe08d8c7eb3 /plugingui
parent5d76d943eca9734f7df2dc351871815385c571b3 (diff)
Refactored Image.
Diffstat (limited to 'plugingui')
-rw-r--r--plugingui/image.cc113
-rw-r--r--plugingui/image.h27
2 files changed, 69 insertions, 71 deletions
diff --git a/plugingui/image.cc b/plugingui/image.cc
index 65b8242..fd79707 100644
--- a/plugingui/image.cc
+++ b/plugingui/image.cc
@@ -26,94 +26,95 @@
*/
#include "image.h"
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdarg.h>
-#include <stdint.h>
+#include <cstring>
+#include <cstdint>
#include <hugin.hpp>
#include "resource.h"
-// http://blog.hammerian.net/2009/reading-png-images-from-memory/
-
#include "lodepng/lodepng.h"
-GUI::Image::Image(const char* data, size_t size)
+namespace GUI {
+
+Image::Image(const char* data, size_t size)
{
- load(data, size);
+ load(data, size);
}
-GUI::Image::Image(std::string filename)
+Image::Image(const std::string& filename)
{
- GUI::Resource rc(filename);
- load(rc.data(), rc.size());
+ Resource rc(filename);
+ load(rc.data(), rc.size());
}
-GUI::Image::~Image()
+Image::~Image()
{
- free(image_data);
+ delete[] image_data;
}
-void GUI::Image::setError(int err)
+void Image::setError(int err)
{
- GUI::Resource rc(":png_error");
+ Resource rc(":png_error");
- const unsigned char *p = (const unsigned char *)rc.data();
+ const unsigned char* p = (const unsigned char*)rc.data();
- uint32_t iw, ih;
+ std::uint32_t iw, ih;
- memcpy(&iw, p, sizeof(uint32_t)); p += sizeof(uint32_t);
- memcpy(&ih, p, sizeof(uint32_t)); p += sizeof(uint32_t);
+ std::memcpy(&iw, p, sizeof(uint32_t));
+ p += sizeof(uint32_t);
- w = iw;
- h = ih;
+ std::memcpy(&ih, p, sizeof(uint32_t));
+ p += sizeof(uint32_t);
- DEBUG(image, "w:%d, h:%d\n", (int)w, (int)h);
+ _width = iw;
+ _height = ih;
- image_data = (unsigned char*)malloc(rc.size() - 8);
- memcpy(image_data, p, rc.size() - 8);
+ size_t image_size = rc.size() - (sizeof(iw) + sizeof(ih));
+ image_data = new unsigned char[image_size];
+ memcpy(image_data, p, image_size);
}
-void GUI::Image::load(const char* data, size_t size)
+void Image::load(const char* data, size_t size)
{
- //unsigned lodepng_decode32(unsigned char** out, unsigned* w, unsigned* h,
- // const unsigned char* in, size_t insize);
- unsigned iw, ih;
- unsigned res = lodepng_decode32((unsigned char**)&image_data, &iw, &ih,
- (const unsigned char*)data, size);
- w = iw;
- h = ih;
-
- if(res != 0) {
- ERR(image, "[read_png_file] Error during init_io");
- setError(3);
- return;
- }
+ unsigned int res = lodepng_decode32((unsigned char**)&image_data,
+ &_width, &_height,
+ (const unsigned char*)data, size);
+
+ if(res != 0)
+ {
+ ERR(image, "[read_png_file] Error during init_io");
+ setError(3);
+ return;
+ }
}
-size_t GUI::Image::width()
+size_t Image::width()
{
- return w;
+ return _width;
}
-size_t GUI::Image::height()
+size_t Image::height()
{
- return h;
+ return _height;
}
-GUI::Colour GUI::Image::getPixel(size_t x, size_t y)
+Colour Image::getPixel(size_t x, size_t y)
{
- if(x > width() || y > height()) return GUI::Colour(0,0,0,0);
- unsigned char *ptr = &image_data[(x + y * width()) * 4];
- float r = ptr[0];
- float g = ptr[1];
- float b = ptr[2];
- float a = ptr[3];
- GUI::Colour c(r / 255.0,
- g / 255.0,
- b / 255.0,
- a / 255.0);
- return c;
+ if(x > _width || y > _height)
+ {
+ return Colour(0,0,0,0);
+ }
+
+ unsigned char* ptr = &image_data[(x + y * width()) * 4];
+
+ float r = ptr[0];
+ float g = ptr[1];
+ float b = ptr[2];
+ float a = ptr[3];
+
+ Colour c(r / 255.0, g / 255.0, b / 255.0, a / 255.0);
+
+ return c;
}
+
+} // GUI::
diff --git a/plugingui/image.h b/plugingui/image.h
index cec1518..1a6e40a 100644
--- a/plugingui/image.h
+++ b/plugingui/image.h
@@ -24,8 +24,7 @@
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
-#ifndef __DRUMGIZMO_IMAGE_H__
-#define __DRUMGIZMO_IMAGE_H__
+#pragma once
#include <string>
@@ -36,24 +35,22 @@ namespace GUI {
class Image {
public:
- Image(const char* data, size_t size);
- Image(std::string filename);
- ~Image();
+ Image(const char* data, size_t size);
+ Image(const std::string& filename);
+ ~Image();
- size_t width();
- size_t height();
+ size_t width();
+ size_t height();
- Colour getPixel(size_t x, size_t y);
+ Colour getPixel(size_t x, size_t y);
private:
- void setError(int err);
+ void setError(int err);
- void load(const char* data, size_t size);
+ void load(const char* data, size_t size);
- size_t w, h;
- unsigned char *image_data;
+ size_t _width, _height;
+ unsigned char* image_data;
};
-};
-
-#endif/*__DRUMGIZMO_IMAGE_H__*/
+} // GUI::