Mirrors/eepp
1
0
Fork 0
mirror of https://github.com/SpartanJ/eepp.git synced 2026-08-18 06:55:48 +03:00
Code Issues Packages Projects Releases Wiki Activity

Added cImage::Crop.

Browse Source 
Some minor fixes in cImage and cTexture.
This commit is contained in:
Martín Lucas Golini
2013-09-22 01:20:09 -03:00
parent 1bdf0f138a
commit 0a0d178f64
4 changed files with 37 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/eepp/graphics/cimage.hpp
View File

@@ -4,6 +4,7 @@
#include <eepp/base.hpp>
#include <eepp/math/size.hpp>
#include <eepp/math/rect.hpp>
using namespace EE::Math;
#include <eepp/system/colors.hpp>
@@ -152,6 +153,9 @@ class EE_API cImage {
/** Create a thumnail of the image */
cImage * Thumbnail( const Uint32& maxWidth, const Uint32& maxHeight, EE_RESAMPLER_FILTER filter = RESAMPLER_LANCZOS4 );
/** Creates a cropped image from the current image */
cImage * Crop( eeRecti rect );
/** Set as true if you dont want to free the image data in the cImage destruction ( false as default ). */
void AvoidFreeImage( const bool& AvoidFree );

5
include/eepp/graphics/ctexture.hpp
View File

@@ -77,7 +77,10 @@ class EE_API cTexture : public cImage, private NonCopyable {
void FillWithColor( const eeColorA& Color );
/** Resize the texture */
void Resize( const Uint32& newWidth, const Uint32& newHeight );
void Resize( const Uint32& newWidth, const Uint32& newHeight, EE_RESAMPLER_FILTER filter = RESAMPLER_LANCZOS4 );
/** Scale the texture */
void Scale( const eeFloat& scale, EE_RESAMPLER_FILTER filter = RESAMPLER_LANCZOS4 );
/** Copy an image inside the texture */
void CopyImage( cImage * image, const Uint32& x, const Uint32& y );

20
src/eepp/graphics/cimage.cpp
View File

@@ -611,13 +611,31 @@ cImage * cImage::Thumbnail( const Uint32& maxWidth, const Uint32& maxHeight, EE_
return NULL;
}
cImage * cImage::Crop( eeRecti rect ) {
if ( rect.Left >= 0 && rect.Right <= (Int32)mWidth && rect.Top >= 0 && rect.Bottom <= (Int32)mHeight ) {
cImage * img = eeNew( cImage, ( rect.Size().Width(), rect.Size().Height(), mChannels ) );
// Copy per row
for ( eeUint ty = 0; ty < img->mHeight; ty++ ) {
Uint8 * pDst = &img->mPixels[ ( ty * img->mWidth ) * mChannels ];
const Uint8 * pSrc = &mPixels[ ( rect.Left + ( ( ty + rect.Top ) * mWidth ) ) * mChannels ];
memcpy( pDst, pSrc, mChannels * img->mWidth );
}
return img;
}
return NULL;
}
void cImage::Flip() {
if ( NULL != mPixels ) {
cImage tImg( mHeight, mWidth, mChannels );
for ( eeUint y = 0; y < mHeight; y++ )
for ( eeUint x = 0; x < mWidth; x++ )
tImg.SetPixel( y, x, GetPixel( x, y ) );
tImg.SetPixel( y, x, GetPixel( x, mHeight - 1 - y ) );
ClearCache();

12
src/eepp/graphics/ctexture.cpp
View File

@@ -262,10 +262,18 @@ void cTexture::FillWithColor( const eeColorA& Color ) {
Unlock( false, true );
}
void cTexture::Resize(const Uint32& newWidth, const Uint32& newHeight ) {
void cTexture::Resize( const Uint32& newWidth, const Uint32& newHeight , EE_RESAMPLER_FILTER filter ) {
Lock();
cImage::Resize( newWidth, newHeight );
cImage::Resize( newWidth, newHeight, filter );
Unlock( false, true );
}
void cTexture::Scale( const eeFloat& scale, EE_RESAMPLER_FILTER filter ) {
Lock();
cImage::Scale( scale, filter );
Unlock( false, true );
}