#Copyright ReportLab Europe Ltd. 2000-2017
#see license.txt for license details
"""
Tests for RLG Image shapes.
"""
from reportlab.lib.testutils import setOutDir,makeSuiteForClasses, outputfile, printLocation
setOutDir(__name__)
import os
import unittest
from reportlab.graphics.shapes import Image, Drawing
from reportlab.graphics import renderPDF
from reportlab.lib.pagesizes import A4


IMAGES = []
IMAGENAME = 'pythonpowered.gif'
GSIMAGE = 'pythonpowered-gs.gif'
GAIMAGE = 'gray-alpha.png'


class ImageTestCase(unittest.TestCase):
    "Test RLG Image shape."

    def __del__(self):
        if IMAGES[-1] != None:
            return
        else:
            del IMAGES[-1]

        d = Drawing(A4[0], A4[1])
        for img in IMAGES:
            d.add(img)
        outPath = outputfile("test_graphics_images.pdf")
        renderPDF.drawToFile(d, outPath) #, '')
        assert os.path.exists(outPath) == 1


    def test0(self):
        "Test convert a bitmap file as Image shape into a tmp. PDF file."

        d = Drawing(110, 44)
        inPath = IMAGENAME
        img = Image(0, 0, 110, 44, inPath)
        d.add(img)
        IMAGES.append(img)


    def test1(self):
        "Test Image shape, adding it to a PDF page."

        inPath = IMAGENAME
        img = Image(0, 0, 110, 44, inPath)
        IMAGES.append(img)


    def test2(self):
        "Test scaled Image shape adding it to a PDF page."

        inPath = IMAGENAME
        img = Image(0, 0, 110, 44, inPath)
        d = Drawing(110, 44)
        d.add(img)
        d.translate(120, 0)
        d.scale(2, 2)
        IMAGES.append(d)


    def test3(self):
        "Test rotated Image shape adding it to a PDF page."

        inPath = IMAGENAME
        img = Image(0, 0, 110, 44, inPath)
        d = Drawing(110, 44)
        d.add(img)
        d.translate(420, 0)
        d.scale(2, 2)
        d.rotate(45)
        IMAGES.append(d)


    def test4(self):
        "Test convert a greyscale bitmap file as Image shape into a tmp. PDF file."

        d = Drawing(110, 44)
        img = Image(0, 0, 110, 44, GSIMAGE)
        d.add(img)
        d.translate(0,2*72)
        IMAGES.append(d)

    def test5(self):
        "Test convert a greyscale +alpha bitmap file as Image shape into a tmp. PDF file."

        d = Drawing(48, 48)
        img = Image(0, 0, 48, 48, GAIMAGE)
        d.add(img)
        d.translate(72,4*72)
        IMAGES.append(d)
        IMAGES.append(None) # used to indicate last test

def makeSuite():
    return makeSuiteForClasses(ImageTestCase)


#noruntests
if __name__ == "__main__":
    unittest.TextTestRunner().run(makeSuite())
    printLocation()
