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/*
* Copyright (c) 2016, Joel Bodenmann aka Tectu <joel@embedded.pro>
* Copyright (c) 2016, Andrew Hannam aka inmarket
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the <organization> nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This example demonstrates how the color palette of an image can be modified
* during run-time of the program to exchange colors.
* This example uses a BMP1 image (one-bit BMP) and which only has a palette
* size of two.
* Note that although the demo shows multiple images with different colors at
* the same time there's still just one copy of the image in memory at all times.
*/
#define USE_PRINTF GFXON
#include "gfx.h"
static gdispImage _imgHome;
int main(void)
{
int paletteSize = 0;
// Initialize everything
gfxInit();
gdispClear(GFX_SILVER);
// Open the image file
gdispImageOpenFile(&_imgHome, "icon_home.bmp");
// Retrieve the color palette size and dump it - just for fun.
paletteSize = gdispImageGetPaletteSize(&_imgHome);
if (paletteSize != 2) { // With this image we expect the palette to have only two entries!
gdispClear(GFX_RED);
while (1);
}
// Draw the image w/o modifying the palette
gdispImageDraw(&_imgHome, 10, 10, gdispGetWidth(), gdispGetHeight(), 0, 0);
// Modify the palette & redraw at a different location
gdispImageAdjustPalette(&_imgHome, 0, GFX_BLUE);
gdispImageAdjustPalette(&_imgHome, 1, GFX_RED);
gdispImageDraw(&_imgHome, 10, 60, gdispGetWidth(), gdispGetHeight(), 0, 0);
// Modify the palette & redraw at a different location
gdispImageAdjustPalette(&_imgHome, 0, GFX_WHITE);
gdispImageAdjustPalette(&_imgHome, 1, GFX_BLACK);
gdispImageDraw(&_imgHome, 10, 110, gdispGetWidth(), gdispGetHeight(), 0, 0);
// Modify the palette & redraw at a different location
gdispImageAdjustPalette(&_imgHome, 0, GFX_LIME);
gdispImageAdjustPalette(&_imgHome, 1, GFX_NAVY);
gdispImageDraw(&_imgHome, 10, 160, gdispGetWidth(), gdispGetHeight(), 0, 0);
// Modify the palette & redraw at a different location
gdispImageAdjustPalette(&_imgHome, 0, GFX_GRAY);
gdispImageAdjustPalette(&_imgHome, 1, GFX_YELLOW);
gdispImageDraw(&_imgHome, 60, 60, gdispGetWidth(), gdispGetHeight(), 0, 0);
// Modify the palette & redraw at a different location
gdispImageAdjustPalette(&_imgHome, 0, GFX_GREEN);
gdispImageAdjustPalette(&_imgHome, 1, GFX_BLACK);
gdispImageDraw(&_imgHome, 60, 110, gdispGetWidth(), gdispGetHeight(), 0, 0);
// Modify the palette & redraw at a different location
gdispImageAdjustPalette(&_imgHome, 0, GFX_LIME);
gdispImageAdjustPalette(&_imgHome, 1, GFX_TEAL);
gdispImageDraw(&_imgHome, 60, 160, gdispGetWidth(), gdispGetHeight(), 0, 0);
// We're done. Clean up.
gdispImageClose(&_imgHome);
while(1) {
gfxSleepMilliseconds(500);
}
return 0;
}
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