Carlos Garcia Campos
5dab62a2f9
Fix BlendColorBurn
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It should return 0 when sa == 0
2009-06-23 14:42:37 -04:00
Søren Sandmann Pedersen
e3a94e8928
Add screen-test.c test program
2009-06-23 14:42:37 -04:00
Søren Sandmann Pedersen
16873f6d1b
Make the composite test window bigger by default.
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Also rearrange the squares to better match typical aspect ratios.
2009-06-23 14:42:37 -04:00
Carlos Garcia Campos
eb4fd0477a
Use floating point in SetLum
2009-06-23 14:42:37 -04:00
Carlos Garcia Campos
96d5044c0c
Do not use combineMask in component-alpha functions
2009-06-23 14:42:37 -04:00
Carlos Garcia Campos
bf356c6d8c
Fix typo
2009-06-23 14:42:37 -04:00
Carlos Garcia Campos
cdae71ee85
[TEST] Update composite-test to test more operators
2009-06-23 14:42:36 -04:00
Søren Sandmann Pedersen
c35685255f
Fix ColorDodge and ColorBurn to conform to the spec
2009-06-23 14:42:36 -04:00
Søren Sandmann Pedersen
49a4fc0969
Remove optimizations that I'm not convinced are correct
2009-06-23 14:42:36 -04:00
Søren Sandmann Pedersen
3fb71f8b41
Fix some more problems in MultiplyC
2009-06-23 14:42:36 -04:00
Søren Sandmann Pedersen
254e62159b
Fix various problems in FbCombineMultiplyC
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Don't read the destination unless we have to. fbByteMulAddC()
produces its result in its first argument, not its last.
2009-06-23 14:42:35 -04:00
Søren Sandmann Pedersen
a158d7f14f
Add some comments about the linearity of the non-separable blend modes
2009-06-23 14:42:35 -04:00
Benjamin Otte
cae5062d3b
fix component-alpha versions to set source to 0 when mask is 0
2009-06-23 14:42:35 -04:00
Benjamin Otte
9df72ebdb8
remove debugging leftovers
2009-06-23 14:42:35 -04:00
Benjamin Otte
19aae37bfb
correct subtract implementation
2009-06-23 14:42:35 -04:00
Benjamin Otte
f130d99c94
fix Multiply component-alpha version
2009-06-23 14:42:35 -04:00
Benjamin Otte
4bb1eac4e7
fix comment
2009-06-23 14:42:35 -04:00
Benjamin Otte
73810b320e
fix component-alpha versions for seperable blend modes
2009-06-23 14:42:35 -04:00
Benjamin Otte
4b921c1d91
rename operator SUBTRACT to FLASH_SUBTRACT
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Also document it and move it out of the PDF blend modes to make clear
that it is not in any way related to PDF.
2009-06-23 14:42:35 -04:00
Benjamin Otte
7cbfe3ba21
rework blend-mode documentation to match current code better
2009-06-23 14:42:35 -04:00
Benjamin Otte
f26c9ec438
typo fix: Seperable => Separable
2009-06-23 14:42:35 -04:00
Benjamin Otte
ea17e2e2e4
remove semicolon at end of macro
2009-06-23 14:42:35 -04:00
Benjamin Otte
ecf9f83ac6
remove a leftover debugging statement
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That was an assertion check by infinite loop
2009-06-23 14:42:34 -04:00
Benjamin Otte
c061b4dd16
invent a Subtract operator for component alpha
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This seems to make sense, and as I can't test it against Adobe's Flash
player as that one can't do component alpha, this one looks best.
2009-06-23 14:42:34 -04:00
Benjamin Otte
93e32235e6
add non-seperable versions for component alpha
2009-06-23 14:42:34 -04:00
Benjamin Otte
239cc46aa7
add component-alpha versions of the seperable blend-modes
2009-06-23 14:42:34 -04:00
Benjamin Otte
2f57b6f4e9
rewrite nonseperable blend modes the same way as seperable ones
2009-06-23 14:42:34 -04:00
Benjamin Otte
fd1bec2859
clean up seperable blend modes
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The code is now shorter and faster than before
2009-06-23 14:42:34 -04:00
Benjamin Otte
e8b4394a40
prefix HSL operators with HSL
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This is necessary to distinguish SATURATE from PDF's HSL SATURATION
2009-06-23 14:42:34 -04:00
Benjamin Otte
f08263a251
remove invert operator
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src INVERT dest == (white IN src) DIFFERENCE dest
2009-06-23 14:42:34 -04:00
Benjamin Otte
755638d73c
add nonseperable blend modes from PDF spec
2009-06-23 14:42:34 -04:00
Benjamin Otte
e3ad87033e
fix ColorDodge and ColorBurn to conform to the PDF spec
2009-06-23 14:42:34 -04:00
Benjamin Otte
35bb57e723
use PDF algorithm for soft-light
2009-06-23 14:42:34 -04:00
Benjamin Otte
0735aeeaeb
Add INVERT and SUBTRACT blend modes used in Flash
2009-06-23 14:42:33 -04:00
Benjamin Otte
740425ab96
use a pixman_op_t here
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This improves the readability in gdb when debugging this structure
2009-06-23 14:42:33 -04:00
Benjamin Otte
94e9673eaa
Add support for extended blend mode. First pass.
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This adds support only for FbCombineU function.
This work is based on equations provided in SVG 1.2 specification draft.
http://www.w3.org/TR/SVG12/
Based on a previous patch by Emmanuel Pacaud <emmanuel.pacaud@free.fr>
2009-06-23 14:42:33 -04:00
Michel Dänzer
99108040f0
Fix the build on big endian machines.
2009-06-23 14:03:39 -04:00
Søren Sandmann Pedersen
bb3b3da18a
Rename PIXMAN_FORMAT_16BPC macro to PIXMAN_FORMAT_IS_WIDE
2009-06-23 13:57:03 -04:00
Søren Sandmann Pedersen
039d4618f7
Write alpha map fetching with FbByteMul() instead of div_255()
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Delete the div_255/div_65535 macros.
2009-06-23 13:57:03 -04:00
Søren Sandmann Pedersen
3e39b566ee
Remove unused typedefs.
2009-06-23 14:00:22 -04:00
Søren Sandmann Pedersen
2c70814b6b
Delete unused _pixman_image_get_fetcher() function
2009-06-22 20:43:08 -04:00
Søren Sandmann Pedersen
b3bd739447
Move accessor macros to their own header.
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Also rearrange some things in pixman-private.h
2009-06-22 19:51:13 -04:00
Søren Sandmann Pedersen
fe8ef09e98
Move FbGet8() macro into pixman-bits-image.c
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It is only used for bilinear filtering now. Also some formatting
changes in pixman-private.h
2009-06-22 19:38:58 -04:00
Søren Sandmann Pedersen
0358776445
Delete FbInOverC macro
2009-06-22 19:35:11 -04:00
Søren Sandmann Pedersen
1c429b4fbe
Make pixman-mmx.c compile again.
2009-06-22 19:25:25 -04:00
Søren Sandmann Pedersen
7bb9df0382
Fix typo in CLIP macro.
2009-06-22 16:34:15 -04:00
Søren Sandmann Pedersen
63b050de5b
Turn the FbAdd() macro into an FbIntAdd() which doesn't take a channel.
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The only use of the channel argument could be written better with FbByteAdd().
2009-06-22 16:33:40 -04:00
Søren Sandmann Pedersen
026ef58328
Delete FbInU macro.
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Replace uses of it with FbIntMult().
2009-06-22 16:33:30 -04:00
Søren Sandmann Pedersen
5028c1599a
Use fbOver() instead of fbOver24.
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fbOver() is faster anyway, and this lets us get rid of fbOverU.
Also use FbByteMul() in fbIn instead of four times FbInU.
Finally, delete FbOverC and FbInC since they weren't used.
2009-06-22 16:33:11 -04:00
Søren Sandmann Pedersen
ca4750be0a
Eliminate Fetch/Store24 macros.
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Replace them with inline functions in pixman-bits-image.c.
2009-06-22 08:09:11 -04:00
