cpcc/gui.cpccImage.h at master · starmessage/cpcc · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
/*  *****************************************
 *  File:		cpccImage.h
 *  Version:	see function getClassVersion()
 *	Purpose:	Portable (cross-platform), light-weight library
 *	*****************************************
 *  Library:	Cross Platform C++ Classes (cpcc)
 *  Copyright:  2014 StarMessage software.
 *  License:    Free for opensource projects.
 *  	            Commercial license for closed source projects.
 *	Web:	        http://www.StarMessageSoftware.com/cpcclibrary
 *  Download:   https://github.com/starmessage/cpcc
 *	email:      sales -at- starmessage.info
 *	*****************************************
 */


#pragma once

#include <string>
#include "io.cpccFileSystemMini.h"

#if defined(__APPLE__)
	#include "gui.cpccImageMac.h"
	typedef cpccImageMacBmpRep	ImageImpl;

#elif defined(_WIN32)
	#include "gui.cpccImageWin.h"
	typedef cpccImageWin	ImageImpl;

#else
	#error #4367: Unknown platform for TmioanImage
#endif


class cpccImage: public ImageImpl
{


public:	// ctors


public: // functions


	virtual void setPixel(const int x, const int y, const cpccColor &aColor) override
	{
		if (x<0 || x>=getWidth() || y<0 || y>=getHeight())
			return;

		ImageImpl::setPixel(x,  y, aColor);
	}


	virtual cpccColor	getPixel(const int x, const int y) const override
	{
		if (x<0 || x>=getWidth() || y<0 || y>=getHeight())
			return cpccMoccasin;

		return ImageImpl::getPixel( x, y);
	}


	virtual void 		resizeTo(const int newWidth, const int newHeight) override
	{
		if (newWidth==getWidth() && newHeight==getHeight())
			return;
		ImageImpl::resizeTo_impl(newWidth, newHeight);
	}


	virtual void 		cropTo(const int newTop, int newLeft, int newWidth, int newHeight) override
	{
        if ( newTop<0 || newTop >= getHeight() ||  newLeft<0 || newLeft >= getWidth() ||
			newWidth>=getWidth() || newHeight>=getHeight() ||  newWidth<0 || newHeight<0)
            return;

        // ensure that the xy origin is smaller than the width or height of the original image

		ImageImpl::cropTo_impl(newTop, newLeft, newWidth, newHeight);
	}


	virtual bool		initWithFile(const cpcc_char* afullpathfilename, const bool hasTransparentCorner=false) override
	{
		if (!afullpathfilename)
		{
			warningLog().add( _T("cpccImage.initWithFile(): empty filename") );
			return false;
		}

		if (!cpccFileSystemMini::fileExists(afullpathfilename))
		{
			warningLog().addf( _T("cpccImage.initWithFile: file does not exist:[%s]") , afullpathfilename);
			return false;
		}

		if (!ImageImpl::initWithFile_impl(afullpathfilename, hasTransparentCorner))
        {
            warningLog().addf( _T("cpccImage.initWithFile() failed to load:[%s]") , afullpathfilename);
			return false;
		}

		m_hasTrasparentColor=hasTransparentCorner;
		if (m_hasTrasparentColor)
			m_transparentColor = getPixel(0,0);

		infoLog().addf(_T("cpccImage.initWithFile(%s) OK. W:%i H:%i"), afullpathfilename, getWidth(), getHeight());
		return true;
	}
};